22122013522 has 16 divisors (see below), whose sum is σ = 38026794240. Its totient is φ = 9455027328.

The previous prime is 22122013517. The next prime is 22122013531. The reversal of 22122013522 is 22531022122.

It is a junction number, because it is equal to n+sod(n) for n = 22122013493 and 22122013502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2147647 + ... + 2157922.

It is an arithmetic number, because the mean of its divisors is an integer number (2376674640).

Almost surely, 2^22122013522 is an apocalyptic number.

22122013522 is a deficient number, since it is larger than the sum of its proper divisors (15904780718).

22122013522 is a wasteful number, since it uses less digits than its factorization.

22122013522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4305945.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 22122013522 its reverse (22531022122), we get a palindrome (44653035644).

The spelling of 22122013522 in words is "twenty-two billion, one hundred twenty-two million, thirteen thousand, five hundred twenty-two".