222312153 has 16 divisors (see below), whose sum is σ = 339107840. Its totient is φ = 126905616.

The previous prime is 222312151. The next prime is 222312163. The reversal of 222312153 is 351213222.

It is not a de Polignac number, because 222312153 - 2¹ = 222312151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222312151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17958 + ... + 27696.

It is an arithmetic number, because the mean of its divisors is an integer number (21194240).

Almost surely, 2^222312153 is an apocalyptic number.

It is an amenable number.

222312153 is a deficient number, since it is larger than the sum of its proper divisors (116795687).

222312153 is a wasteful number, since it uses less digits than its factorization.

222312153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10836.

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

The square root of 222312153 is about 14910.1359148735. The cubic root of 222312153 is about 605.7885607919.

Adding to 222312153 its reverse (351213222), we get a palindrome (573525375).

The spelling of 222312153 in words is "two hundred twenty-two million, three hundred twelve thousand, one hundred fifty-three".