220984455 has 8 divisors (see below), whose sum is σ = 353575152. Its totient is φ = 117858368.

The previous prime is 220984427. The next prime is 220984457. The reversal of 220984455 is 554489022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220984455 - 2⁸ = 220984199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220984457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7366134 + ... + 7366163.

It is an arithmetic number, because the mean of its divisors is an integer number (44196894).

Almost surely, 2^220984455 is an apocalyptic number.

220984455 is a deficient number, since it is larger than the sum of its proper divisors (132590697).

220984455 is a wasteful number, since it uses less digits than its factorization.

220984455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14732305.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 220984455 is about 14865.5459031951. The cubic root of 220984455 is about 604.5801836741.

The spelling of 220984455 in words is "two hundred twenty million, nine hundred eighty-four thousand, four hundred fifty-five".