222412456 has 16 divisors (see below), whose sum is σ = 476598240. Its totient is φ = 95319600.

The previous prime is 222412417. The next prime is 222412457. The reversal of 222412456 is 654214222.

222412456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (222412457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1985770 + ... + 1985881.

It is an arithmetic number, because the mean of its divisors is an integer number (29787390).

Almost surely, 2^222412456 is an apocalyptic number.

It is an amenable number.

222412456 is an abundant number, since it is smaller than the sum of its proper divisors (254185784).

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

222412456 is a wasteful number, since it uses less digits than its factorization.

222412456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971664 (or 3971660 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 222412456 is about 14913.4991199249. The cubic root of 222412456 is about 605.8796538387.

Adding to 222412456 its reverse (654214222), we get a palindrome (876626678).

The spelling of 222412456 in words is "two hundred twenty-two million, four hundred twelve thousand, four hundred fifty-six".