242220804 has 48 divisors (see below), whose sum is σ = 648818688. Its totient is φ = 68895648.

The previous prime is 242220779. The next prime is 242220827. The reversal of 242220804 is 408022242.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12717 + ... + 25419.

It is an arithmetic number, because the mean of its divisors is an integer number (13517056).

Almost surely, 2^242220804 is an apocalyptic number.

It is an amenable number.

242220804 is an abundant number, since it is smaller than the sum of its proper divisors (406597884).

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

242220804 is a wasteful number, since it uses less digits than its factorization.

242220804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12944 (or 12942 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 242220804 is about 15563.4444773643. Note that the first 4 decimals coincide. The cubic root of 242220804 is about 623.3574397215.

The spelling of 242220804 in words is "two hundred forty-two million, two hundred twenty thousand, eight hundred four".