222055156 has 36 divisors (see below), whose sum is σ = 430191972. Its totient is φ = 99937024.

The previous prime is 222055153. The next prime is 222055157. The reversal of 222055156 is 651550222.

It can be written as a sum of positive squares in 2 ways, for example, as 67798756 + 154256400 = 8234^2 + 12420^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222055151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32886 + ... + 39058.

It is an arithmetic number, because the mean of its divisors is an integer number (11949777).

Almost surely, 2^222055156 is an apocalyptic number.

It is an amenable number.

222055156 is a deficient number, since it is larger than the sum of its proper divisors (208136816).

222055156 is a wasteful number, since it uses less digits than its factorization.

222055156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6240 (or 6215 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 222055156 is about 14901.5152249696. The cubic root of 222055156 is about 605.5550364867. Note that the first 3 decimals are identical.

The spelling of 222055156 in words is "two hundred twenty-two million, fifty-five thousand, one hundred fifty-six".