220253444 has 12 divisors (see below), whose sum is σ = 388386768. Its totient is φ = 109285800.

The previous prime is 220253443. The next prime is 220253447. The reversal of 220253444 is 444352022.

It is a happy number.

It is a super-2 number, since 2×220253444² = 97023159187722272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220253443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209642 + ... + 210689.

It is an arithmetic number, because the mean of its divisors is an integer number (32365564).

Almost surely, 2^220253444 is an apocalyptic number.

It is an amenable number.

220253444 is a deficient number, since it is larger than the sum of its proper divisors (168133324).

220253444 is a wasteful number, since it uses less digits than its factorization.

220253444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420466 (or 420464 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 220253444 is about 14840.9381105104. The cubic root of 220253444 is about 603.9128019085.

The spelling of 220253444 in words is "two hundred twenty million, two hundred fifty-three thousand, four hundred forty-four".