22958921356 has 192 divisors, whose sum is σ = 50884872192. Its totient is φ = 8851949568.

The previous prime is 22958921351. The next prime is 22958921369. The reversal of 22958921356 is 65312985922.

It is a super-2 number, since 2×22958921356² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22958921351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 116542650 + ... + 116542846.

It is an arithmetic number, because the mean of its divisors is an integer number (265025376).

Almost surely, 2^22958921356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22958921356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25442436096).

22958921356 is an abundant number, since it is smaller than the sum of its proper divisors (27925950836).

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

22958921356 is a wasteful number, since it uses less digits than its factorization.

22958921356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 406 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 52.

The spelling of 22958921356 in words is "twenty-two billion, nine hundred fifty-eight million, nine hundred twenty-one thousand, three hundred fifty-six".