222272444 has 12 divisors (see below), whose sum is σ = 394305744. Its totient is φ = 109613664.

The previous prime is 222272441. The next prime is 222272459. The reversal of 222272444 is 444272222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222272441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380312 + ... + 380895.

It is an arithmetic number, because the mean of its divisors is an integer number (32858812).

Almost surely, 2^222272444 is an apocalyptic number.

It is an amenable number.

222272444 is a deficient number, since it is larger than the sum of its proper divisors (172033300).

222272444 is a wasteful number, since it uses less digits than its factorization.

222272444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761284 (or 761282 counting only the distinct ones).

The product of its digits is 14336, while the sum is 29.

The square root of 222272444 is about 14908.8042444725. The cubic root of 222272444 is about 605.7524903537.

The spelling of 222272444 in words is "two hundred twenty-two million, two hundred seventy-two thousand, four hundred forty-four".