222149444 has 24 divisors (see below), whose sum is σ = 446426400. Its totient is φ = 95662080.

The previous prime is 222149437. The next prime is 222149461. The reversal of 222149444 is 444941222.

It is a self number, because there is not a number n which added to its sum of digits gives 222149444.

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, 132029 + ... + 133700.

It is an arithmetic number, because the mean of its divisors is an integer number (18601100).

Almost surely, 2^222149444 is an apocalyptic number.

It is an amenable number.

222149444 is an abundant number, since it is smaller than the sum of its proper divisors (224276956).

222149444 is a wasteful number, since it uses less digits than its factorization.

222149444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265763 (or 265761 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 222149444 is about 14904.6785943206. The cubic root of 222149444 is about 605.6407336544.

The spelling of 222149444 in words is "two hundred twenty-two million, one hundred forty-nine thousand, four hundred forty-four".