557220424 has 16 divisors (see below), whose sum is σ = 1106246700. Its totient is φ = 262221312.

The previous prime is 557220409. The next prime is 557220427. The reversal of 557220424 is 424022755.

It can be written as a sum of positive squares in 2 ways, for example, as 554602500 + 2617924 = 23550^2 + 1618^2 .

It is not an unprimeable number, because it can be changed into a prime (557220427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2048469 + ... + 2048740.

Almost surely, 2^557220424 is an apocalyptic number.

It is an amenable number.

557220424 is a deficient number, since it is larger than the sum of its proper divisors (549026276).

557220424 is a wasteful number, since it uses less digits than its factorization.

557220424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097232 (or 4097228 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 557220424 is about 23605.5168128131. The cubic root of 557220424 is about 822.8910562407.

The spelling of 557220424 in words is "five hundred fifty-seven million, two hundred twenty thousand, four hundred twenty-four".