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1022322401 = 2137947819
BaseRepresentation
bin111100111011110…
…110011011100001
32122020200100200122
4330323312123201
54043203304101
6245235530025
734222411532
oct7473663341
92566610618
101022322401
1148508aa51
12246459915
13133a546c9
1499abc689
155eb4051b
hex3cef66e1

1022322401 has 4 divisors (see below), whose sum is σ = 1022391600. Its totient is φ = 1022253204.

The previous prime is 1022322391. The next prime is 1022322403. The reversal of 1022322401 is 1042232201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1022322401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1022322401.

It is not an unprimeable number, because it can be changed into a prime (1022322403) 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 3 ways as a sum of consecutive naturals, for example, 2531 + ... + 45288.

It is an arithmetic number, because the mean of its divisors is an integer number (255597900).

Almost surely, 21022322401 is an apocalyptic number.

It is an amenable number.

1022322401 is a deficient number, since it is larger than the sum of its proper divisors (69199).

1022322401 is an equidigital number, since it uses as much as digits as its factorization.

1022322401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69198.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1022322401 is about 31973.7767709728. The cubic root of 1022322401 is about 1007.3861113765.

Adding to 1022322401 its reverse (1042232201), we get a palindrome (2064554602).

The spelling of 1022322401 in words is "one billion, twenty-two million, three hundred twenty-two thousand, four hundred one".

Divisors: 1 21379 47819 1022322401