222356455 has 4 divisors (see below), whose sum is σ = 266827752. Its totient is φ = 177885160.

The previous prime is 222356441. The next prime is 222356501. The reversal of 222356455 is 554653222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 222356455 - 2⁵ = 222356423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222356455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22235641 + ... + 22235650.

It is an arithmetic number, because the mean of its divisors is an integer number (66706938).

Almost surely, 2^222356455 is an apocalyptic number.

222356455 is a deficient number, since it is larger than the sum of its proper divisors (44471297).

222356455 is an equidigital number, since it uses as much as digits as its factorization.

222356455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44471296.

The product of its digits is 72000, while the sum is 34.

The square root of 222356455 is about 14911.6214745413. The cubic root of 222356455 is about 605.8287983017.

The spelling of 222356455 in words is "two hundred twenty-two million, three hundred fifty-six thousand, four hundred fifty-five".