222315775 has 12 divisors (see below), whose sum is σ = 300732984. Its totient is φ = 161684000.

The previous prime is 222315763. The next prime is 222315803. The reversal of 222315775 is 577513222.

222315775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222315775 - 2²⁵ = 188761343 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 222315775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 403936 + ... + 404485.

It is an arithmetic number, because the mean of its divisors is an integer number (25061082).

Almost surely, 2^222315775 is an apocalyptic number.

222315775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

222315775 is a deficient number, since it is larger than the sum of its proper divisors (78417209).

222315775 is a wasteful number, since it uses less digits than its factorization.

222315775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808442 (or 808437 counting only the distinct ones).

The product of its digits is 29400, while the sum is 34.

The square root of 222315775 is about 14910.2573753775. The cubic root of 222315775 is about 605.7918506919.

Adding to 222315775 its reverse (577513222), we get a palindrome (799828997).

The spelling of 222315775 in words is "two hundred twenty-two million, three hundred fifteen thousand, seven hundred seventy-five".