220877794 has 4 divisors (see below), whose sum is σ = 331316694. Its totient is φ = 110438896.

The previous prime is 220877791. The next prime is 220877843. The reversal of 220877794 is 497778022.

220877794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 216825625 + 4052169 = 14725^2 + 2013^2 .

It is not an unprimeable number, because it can be changed into a prime (220877791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55219447 + ... + 55219450.

Almost surely, 2^220877794 is an apocalyptic number.

220877794 is a deficient number, since it is larger than the sum of its proper divisors (110438900).

220877794 is a wasteful number, since it uses less digits than its factorization.

220877794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110438899.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 220877794 is about 14861.9579463811. The cubic root of 220877794 is about 604.4828985436.

The spelling of 220877794 in words is "two hundred twenty million, eight hundred seventy-seven thousand, seven hundred ninety-four".