220255464 has 128 divisors (see below), whose sum is σ = 669513600. Its totient is φ = 59458560.

The previous prime is 220255459. The next prime is 220255501. The reversal of 220255464 is 464552022.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98422 + ... + 100634.

It is an arithmetic number, because the mean of its divisors is an integer number (5230575).

Almost surely, 2^220255464 is an apocalyptic number.

220255464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220255464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334756800).

220255464 is an abundant number, since it is smaller than the sum of its proper divisors (449258136).

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

220255464 is a wasteful number, since it uses less digits than its factorization.

220255464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275 (or 2271 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 220255464 is about 14841.0061653515. The cubic root of 220255464 is about 603.9146481151.

The spelling of 220255464 in words is "two hundred twenty million, two hundred fifty-five thousand, four hundred sixty-four".