220674489 has 24 divisors (see below), whose sum is σ = 357157440. Its totient is φ = 120615264.

The previous prime is 220674479. The next prime is 220674511. The reversal of 220674489 is 984476022.

It is not a de Polignac number, because 220674489 - 2⁴ = 220674473 is a prime.

It is a super-2 number, since 2×220674489² = 97394460190822242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220674489.

It is not an unprimeable number, because it can be changed into a prime (220674449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29254 + ... + 36015.

It is an arithmetic number, because the mean of its divisors is an integer number (14881560).

Almost surely, 2^220674489 is an apocalyptic number.

It is an amenable number.

220674489 is a deficient number, since it is larger than the sum of its proper divisors (136482951).

220674489 is a wasteful number, since it uses less digits than its factorization.

220674489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65309 (or 65302 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 220674489 is about 14855.1165932819. The cubic root of 220674489 is about 604.2973779768.

The spelling of 220674489 in words is "two hundred twenty million, six hundred seventy-four thousand, four hundred eighty-nine".