220607256 has 16 divisors (see below), whose sum is σ = 551518200. Its totient is φ = 73535744.

The previous prime is 220607251. The next prime is 220607269. The reversal of 220607256 is 652706022.

It is a super-2 number, since 2×220607256² = 97335122799699072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220607251) 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, 4595961 + ... + 4596008.

Almost surely, 2^220607256 is an apocalyptic number.

It is an amenable number.

220607256 is an abundant number, since it is smaller than the sum of its proper divisors (330910944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220607256 is a wasteful number, since it uses less digits than its factorization.

220607256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9191978 (or 9191974 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 220607256 is about 14852.8534632238. The cubic root of 220607256 is about 604.2360012213.

The spelling of 220607256 in words is "two hundred twenty million, six hundred seven thousand, two hundred fifty-six".