222031444 has 12 divisors (see below), whose sum is σ = 389304468. Its totient is φ = 110801600.

The previous prime is 222031427. The next prime is 222031451. The reversal of 222031444 is 444130222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31922500 + 190108944 = 5650^2 + 13788^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51187 + ... + 55354.

It is an arithmetic number, because the mean of its divisors is an integer number (32442039).

Almost surely, 2^222031444 is an apocalyptic number.

It is an amenable number.

222031444 is a deficient number, since it is larger than the sum of its proper divisors (167273024).

222031444 is a wasteful number, since it uses less digits than its factorization.

222031444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107066 (or 107064 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 222031444 is about 14900.7195799398. The cubic root of 222031444 is about 605.5334811332.

Adding to 222031444 its reverse (444130222), we get a palindrome (666161666).

The spelling of 222031444 in words is "two hundred twenty-two million, thirty-one thousand, four hundred forty-four".