253222444 has 12 divisors (see below), whose sum is σ = 448119000. Its totient is φ = 125188448.

The previous prime is 253222441. The next prime is 253222447. The reversal of 253222444 is 444222352.

253222444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (253222441) and next prime (253222447).

It is a super-2 number, since 2×253222444² = 128243212290666272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253222441) by changing a digit.

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, 355294 + ... + 356005.

It is an arithmetic number, because the mean of its divisors is an integer number (37343250).

Almost surely, 2^253222444 is an apocalyptic number.

It is an amenable number.

253222444 is a deficient number, since it is larger than the sum of its proper divisors (194896556).

253222444 is a wasteful number, since it uses less digits than its factorization.

253222444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711392 (or 711390 counting only the distinct ones).

The product of its digits is 15360, while the sum is 28.

The square root of 253222444 is about 15912.9646515035. The cubic root of 253222444 is about 632.6556613551.

Adding to 253222444 its reverse (444222352), we get a palindrome (697444796).

It can be divided in two parts, 2532 and 22444, that added together give a triangular number (24976 = T₂₂₃).

The spelling of 253222444 in words is "two hundred fifty-three million, two hundred twenty-two thousand, four hundred forty-four".