220873858 has 4 divisors (see below), whose sum is σ = 331310790. Its totient is φ = 110436928.

The previous prime is 220873819. The next prime is 220873897. The reversal of 220873858 is 858378022.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (220873819) and next prime (220873897).

It can be written as a sum of positive squares in only one way, i.e., 172055689 + 48818169 = 13117^2 + 6987^2 .

It is a super-2 number, since 2×220873858² = 97570522295608328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55218463 + ... + 55218466.

Almost surely, 2^220873858 is an apocalyptic number.

220873858 is a deficient number, since it is larger than the sum of its proper divisors (110436932).

220873858 is a wasteful number, since it uses less digits than its factorization.

220873858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110436931.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 220873858 is about 14861.8255271686. The cubic root of 220873858 is about 604.4793079325.

The spelling of 220873858 in words is "two hundred twenty million, eight hundred seventy-three thousand, eight hundred fifty-eight".