22156125231562 has 16 divisors (see below), whose sum is σ = 37981998963072. Its totient is φ = 9495464743440.

The previous prime is 22156125231551. The next prime is 22156125231601. The reversal of 22156125231562 is 26513252165122.

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, 8992987 + ... + 11188657.

It is an arithmetic number, because the mean of its divisors is an integer number (2373874935192).

Almost surely, 2^{22156125231562} is an apocalyptic number.

22156125231562 is a deficient number, since it is larger than the sum of its proper divisors (15825873731510).

22156125231562 is a wasteful number, since it uses less digits than its factorization.

22156125231562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916453.

The product of its digits is 432000, while the sum is 43.

Adding to 22156125231562 its reverse (26513252165122), we get a palindrome (48669377396684).

The spelling of 22156125231562 in words is "twenty-two trillion, one hundred fifty-six billion, one hundred twenty-five million, two hundred thirty-one thousand, five hundred sixty-two".