220874942 has 4 divisors (see below), whose sum is σ = 331312416. Its totient is φ = 110437470.

The previous prime is 220874921. The next prime is 220874963. The reversal of 220874942 is 249478022.

220874942 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, and also an emirpimes, since its reverse is a distinct semiprime: 249478022 = 2 ⋅124739011.

It is an interprime number because it is at equal distance from previous prime (220874921) and next prime (220874963).

It is a junction number, because it is equal to n+sod(n) for n = 220874896 and 220874905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55218734 + ... + 55218737.

It is an arithmetic number, because the mean of its divisors is an integer number (82828104).

Almost surely, 2^220874942 is an apocalyptic number.

220874942 is a deficient number, since it is larger than the sum of its proper divisors (110437474).

220874942 is a wasteful number, since it uses less digits than its factorization.

220874942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110437473.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 220874942 is about 14861.8619963987. The cubic root of 220874942 is about 604.4802968144.

The spelling of 220874942 in words is "two hundred twenty million, eight hundred seventy-four thousand, nine hundred forty-two".