222456444 has 24 divisors (see below), whose sum is σ = 593217408. Its totient is φ = 63558960.

The previous prime is 222456397. The next prime is 222456463. The reversal of 222456444 is 444654222.

222456444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1324062 + ... + 1324229.

It is an arithmetic number, because the mean of its divisors is an integer number (24717392).

Almost surely, 2^222456444 is an apocalyptic number.

It is an amenable number.

222456444 is an abundant number, since it is smaller than the sum of its proper divisors (370760964).

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

222456444 is a wasteful number, since it uses less digits than its factorization.

222456444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648305 (or 2648303 counting only the distinct ones).

The product of its digits is 61440, while the sum is 33.

The square root of 222456444 is about 14914.9738182807. The cubic root of 222456444 is about 605.9195941638.

The spelling of 222456444 in words is "two hundred twenty-two million, four hundred fifty-six thousand, four hundred forty-four".