22072235720 has 32 divisors (see below), whose sum is σ = 49672163520. Its totient is φ = 8827181760.

The previous prime is 22072235699. The next prime is 22072235743. The reversal of 22072235720 is 2753227022.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 166439 + ... + 268041.

It is an arithmetic number, because the mean of its divisors is an integer number (1552255110).

Almost surely, 2^22072235720 is an apocalyptic number.

22072235720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22072235720 is an abundant number, since it is smaller than the sum of its proper divisors (27599927800).

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

22072235720 is a wasteful number, since it uses less digits than its factorization.

22072235720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107045 (or 107041 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The spelling of 22072235720 in words is "twenty-two billion, seventy-two million, two hundred thirty-five thousand, seven hundred twenty".