222081855 has 32 divisors (see below), whose sum is σ = 372072960. Its totient is φ = 112963200.

The previous prime is 222081809. The next prime is 222081857. The reversal of 222081855 is 558180222.

It is not a de Polignac number, because 222081855 - 2¹¹ = 222079807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222081857) 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, 33030 + ... + 39180.

It is an arithmetic number, because the mean of its divisors is an integer number (11627280).

Almost surely, 2^222081855 is an apocalyptic number.

222081855 is a deficient number, since it is larger than the sum of its proper divisors (149991105).

222081855 is a wasteful number, since it uses less digits than its factorization.

222081855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6271.

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 222081855 is about 14902.4110465387. The cubic root of 222081855 is about 605.5793053309.

The spelling of 222081855 in words is "two hundred twenty-two million, eighty-one thousand, eight hundred fifty-five".