557222244 has 12 divisors (see below), whose sum is σ = 1300185264. Its totient is φ = 185740744.

The previous prime is 557222233. The next prime is 557222273. The reversal of 557222244 is 442222755.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23217582 + ... + 23217605.

It is an arithmetic number, because the mean of its divisors is an integer number (108348772).

Almost surely, 2^557222244 is an apocalyptic number.

It is an amenable number.

557222244 is an abundant number, since it is smaller than the sum of its proper divisors (742963020).

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

557222244 is a wasteful number, since it uses less digits than its factorization.

557222244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46435194 (or 46435192 counting only the distinct ones).

The product of its digits is 44800, while the sum is 33.

The square root of 557222244 is about 23605.5553630920. Note that the first 3 decimals coincide. The cubic root of 557222244 is about 822.8919521519.

Adding to 557222244 its reverse (442222755), we get a palindrome (999444999).

The spelling of 557222244 in words is "five hundred fifty-seven million, two hundred twenty-two thousand, two hundred forty-four".