222055155 has 32 divisors (see below), whose sum is σ = 451161600. Its totient is φ = 101510496.

The previous prime is 222055153. The next prime is 222055157. The reversal of 222055155 is 551550222.

It is an interprime number because it is at equal distance from previous prime (222055153) and next prime (222055157).

It is not a de Polignac number, because 222055155 - 2¹ = 222055153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 116545 + ... + 118434.

It is an arithmetic number, because the mean of its divisors is an integer number (14098800).

Almost surely, 2^222055155 is an apocalyptic number.

222055155 is an abundant number, since it is smaller than the sum of its proper divisors (229106445).

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

222055155 is a wasteful number, since it uses less digits than its factorization.

222055155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235000 (or 234994 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 222055155 is about 14901.5151914159. The cubic root of 222055155 is about 605.5550355777. Note that the first 3 decimals are identical.

It can be divided in two parts, 2220 and 55155, that added together give a palindrome (57375).

The spelling of 222055155 in words is "two hundred twenty-two million, fifty-five thousand, one hundred fifty-five".