554221312 has 18 divisors (see below), whose sum is σ = 1106278208. Its totient is φ = 277110528.

The previous prime is 554221289. The next prime is 554221331. The reversal of 554221312 is 213122455.

It is a super-2 number, since 2×554221312² = 614322525350002688, which contains 22 as substring.

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, 1082208 + ... + 1082719.

Almost surely, 2^554221312 is an apocalyptic number.

It is an amenable number.

554221312 is a deficient number, since it is larger than the sum of its proper divisors (552056896).

554221312 is an equidigital number, since it uses as much as digits as its factorization.

554221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164943 (or 2164929 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 554221312 is about 23541.9054453967. The cubic root of 554221312 is about 821.4120583822.

Adding to 554221312 its reverse (213122455), we get a palindrome (767343767).

The spelling of 554221312 in words is "five hundred fifty-four million, two hundred twenty-one thousand, three hundred twelve".