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1001222022 = 23166870337
BaseRepresentation
bin111011101011010…
…110111110000110
32120202222100102010
4323223112332012
54022303101042
6243203355050
733545150433
oct7353267606
92522870363
101001222022
11474188a19
1223b382a86
1312c577488
1496d88b8a
155cd7359c

1001222022 has 8 divisors (see below), whose sum is σ = 2002444056. Its totient is φ = 333740672.

The previous prime is 1001222017. The next prime is 1001222023. The reversal of 1001222022 is 2202221001.

Adding to 1001222022 its reverse (2202221001), we get a palindrome (3203443023).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1001221989 and 1001222007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001222023) 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, 83435163 + ... + 83435174.

It is an arithmetic number, because the mean of its divisors is an integer number (250305507).

Almost surely, 21001222022 is an apocalyptic number.

1001222022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1001222022 is a wasteful number, since it uses less digits than its factorization.

1001222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166870342.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1001222022 is about 31642.0925667061. The cubic root of 1001222022 is about 1000.4071748528.

The spelling of 1001222022 in words is "one billion, one million, two hundred twenty-two thousand, twenty-two".