22016264364520 has 16 divisors (see below), whose sum is σ = 49536594820260. Its totient is φ = 8806505745792.

The previous prime is 22016264364509. The next prime is 22016264364539. The reversal of 22016264364520 is 2546346261022.

It can be written as a sum of positive squares in 2 ways, for example, as 21699963855684 + 316300508836 = 4658322^2 + 562406^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275203304517 + ... + 275203304596.

Almost surely, 2^{22016264364520} is an apocalyptic number.

22016264364520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22016264364520 is an abundant number, since it is smaller than the sum of its proper divisors (27520330455740).

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

22016264364520 is a wasteful number, since it uses less digits than its factorization.

22016264364520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550406609124 (or 550406609120 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 22016264364520 in words is "twenty-two trillion, sixteen billion, two hundred sixty-four million, three hundred sixty-four thousand, five hundred twenty".