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1022223330 = 232511358037
BaseRepresentation
bin111100111011011…
…110001111100010
32122020111022210100
4330323132033202
54043142121310
6245233443230
734221516642
oct7473361742
92566438710
101022223330
11485022577
12246410516
13133a1b59b
1499a94522
155eb20ec0
hex3cede3e2

1022223330 has 24 divisors (see below), whose sum is σ = 2657780892. Its totient is φ = 272592864.

The previous prime is 1022223317. The next prime is 1022223331. The reversal of 1022223330 is 333222201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 865948329 + 156275001 = 29427^2 + 12501^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1022223331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5678929 + ... + 5679108.

Almost surely, 21022223330 is an apocalyptic number.

1022223330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022223330 is an abundant number, since it is smaller than the sum of its proper divisors (1635557562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022223330 is a wasteful number, since it uses less digits than its factorization.

1022223330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11358050 (or 11358047 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1022223330 is about 31972.2274794860. The cubic root of 1022223330 is about 1007.3535691395.

Adding to 1022223330 its reverse (333222201), we get a palindrome (1355445531).

The spelling of 1022223330 in words is "one billion, twenty-two million, two hundred twenty-three thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 11358037 22716074 34074111 56790185 68148222 102222333 113580370 170370555 204444666 340741110 511111665 1022223330