222231315 has 32 divisors (see below), whose sum is σ = 375379200. Its totient is φ = 111957120.

The previous prime is 222231311. The next prime is 222231329. The reversal of 222231315 is 513132222.

It is not a de Polignac number, because 222231315 - 2² = 222231311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222231291 and 222231300.

It is not an unprimeable number, because it can be changed into a prime (222231311) 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, 118485 + ... + 120345.

It is an arithmetic number, because the mean of its divisors is an integer number (11730600).

Almost surely, 2^222231315 is an apocalyptic number.

222231315 is a deficient number, since it is larger than the sum of its proper divisors (153147885).

222231315 is a wasteful number, since it uses less digits than its factorization.

222231315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307.

The product of its digits is 720, while the sum is 21.

The square root of 222231315 is about 14907.4248279171. The cubic root of 222231315 is about 605.7151255016.

Adding to 222231315 its reverse (513132222), we get a palindrome (735363537).

The spelling of 222231315 in words is "two hundred twenty-two million, two hundred thirty-one thousand, three hundred fifteen".