22112147225238 has 32 divisors (see below), whose sum is σ = 50545735672320. Its totient is φ = 6317295741120.

The previous prime is 22112147225213. The next prime is 22112147225249. The reversal of 22112147225238 is 83252274121122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 22112147225238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18608898 + ... + 19761461.

It is an arithmetic number, because the mean of its divisors is an integer number (1579554239760).

Almost surely, 2^{22112147225238} is an apocalyptic number.

22112147225238 is an abundant number, since it is smaller than the sum of its proper divisors (28433588447082).

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

22112147225238 is a wasteful number, since it uses less digits than its factorization.

22112147225238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38384092.

The product of its digits is 215040, while the sum is 42.

The spelling of 22112147225238 in words is "twenty-two trillion, one hundred twelve billion, one hundred forty-seven million, two hundred twenty-five thousand, two hundred thirty-eight".