222312552 has 64 divisors (see below), whose sum is σ = 692928000. Its totient is φ = 57743040.

The previous prime is 222312551. The next prime is 222312577. The reversal of 222312552 is 255213222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (222312551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58302 + ... + 61997.

It is an arithmetic number, because the mean of its divisors is an integer number (10827000).

Almost surely, 2^222312552 is an apocalyptic number.

222312552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222312552 is an abundant number, since it is smaller than the sum of its proper divisors (470615448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222312552 is a wasteful number, since it uses less digits than its factorization.

222312552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120326 (or 120322 counting only the distinct ones).

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

The square root of 222312552 is about 14910.1492950272. The cubic root of 222312552 is about 605.7889232095.

Adding to 222312552 its reverse (255213222), we get a palindrome (477525774).

The spelling of 222312552 in words is "two hundred twenty-two million, three hundred twelve thousand, five hundred fifty-two".