22251106356 has 24 divisors (see below), whose sum is σ = 51922786944. Its totient is φ = 7416529920.

The previous prime is 22251106337. The next prime is 22251106373. The reversal of 22251106356 is 65360115222.

It is a super-2 number, since 2×22251106356² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 148596 + ... + 258036.

It is an arithmetic number, because the mean of its divisors is an integer number (2163449456).

Almost surely, 2^22251106356 is an apocalyptic number.

It is an amenable number.

22251106356 is an abundant number, since it is smaller than the sum of its proper divisors (29671680588).

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

22251106356 is a wasteful number, since it uses less digits than its factorization.

22251106356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126391 (or 126389 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 22251106356 in words is "twenty-two billion, two hundred fifty-one million, one hundred six thousand, three hundred fifty-six".