222215253 has 16 divisors (see below), whose sum is σ = 324312576. Its totient is φ = 134504640.

The previous prime is 222215249. The next prime is 222215261. The reversal of 222215253 is 352512222.

It is not a de Polignac number, because 222215253 - 2² = 222215249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222215243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44325 + ... + 49082.

It is an arithmetic number, because the mean of its divisors is an integer number (20269536).

Almost surely, 2^222215253 is an apocalyptic number.

It is an amenable number.

222215253 is a deficient number, since it is larger than the sum of its proper divisors (102097323).

222215253 is a wasteful number, since it uses less digits than its factorization.

222215253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93484.

The product of its digits is 2400, while the sum is 24.

The square root of 222215253 is about 14906.8860933463. The cubic root of 222215253 is about 605.7005322526.

Adding to 222215253 its reverse (352512222), we get a palindrome (574727475).

The spelling of 222215253 in words is "two hundred twenty-two million, two hundred fifteen thousand, two hundred fifty-three".