222031044 has 36 divisors (see below), whose sum is σ = 582034544. Its totient is φ = 74010024.

The previous prime is 222031013. The next prime is 222031049. The reversal of 222031044 is 440130222.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (222031049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113242 + ... + 115185.

Almost surely, 2^222031044 is an apocalyptic number.

It is an amenable number.

222031044 is an abundant number, since it is smaller than the sum of its proper divisors (360003500).

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

222031044 is a wasteful number, since it uses less digits than its factorization.

222031044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228446 (or 228432 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 222031044 is about 14900.7061577631. The cubic root of 222031044 is about 605.5331175007.

Adding to 222031044 its reverse (440130222), we get a palindrome (662161266).

The spelling of 222031044 in words is "two hundred twenty-two million, thirty-one thousand, forty-four".