220874538 has 16 divisors (see below), whose sum is σ = 443471040. Its totient is φ = 73337856.

The previous prime is 220874513. The next prime is 220874579. The reversal of 220874538 is 835478022.

It is a junction number, because it is equal to n+sod(n) for n = 220874496 and 220874505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70078 + ... + 73161.

It is an arithmetic number, because the mean of its divisors is an integer number (27716940).

Almost surely, 2^220874538 is an apocalyptic number.

220874538 is an abundant number, since it is smaller than the sum of its proper divisors (222596502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220874538 is a wasteful number, since it uses less digits than its factorization.

220874538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143501.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 220874538 is about 14861.8484045559. The cubic root of 220874538 is about 604.4799282647.

The spelling of 220874538 in words is "two hundred twenty million, eight hundred seventy-four thousand, five hundred thirty-eight".