22078929292 has 12 divisors (see below), whose sum is σ = 44157858640. Its totient is φ = 9462398256.

The previous prime is 22078929269. The next prime is 22078929293. The reversal of 22078929292 is 29292987022.

It is a happy number.

22078929292 is an admirable number.

It is a super-2 number, since 2×22078929292² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22078929293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394266567 + ... + 394266622.

Almost surely, 2^22078929292 is an apocalyptic number.

It is an amenable number.

22078929292 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.

22078929292 is a wasteful number, since it uses less digits than its factorization.

22078929292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788533200 (or 788533198 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 22078929292 in words is "twenty-two billion, seventy-eight million, nine hundred twenty-nine thousand, two hundred ninety-two".