556222716 has 108 divisors (see below), whose sum is σ = 1673824152. Its totient is φ = 155203776.

The previous prime is 556222699. The next prime is 556222717. The reversal of 556222716 is 617222655.

556222716 is a `hidden beast` number, since 5 + 5 + 622 + 27 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556222717) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 72186 + ... + 79518.

Almost surely, 2^556222716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556222716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (836912076).

556222716 is an abundant number, since it is smaller than the sum of its proper divisors (1117601436).

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

556222716 is a wasteful number, since it uses less digits than its factorization.

556222716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400 (or 7388 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 556222716 is about 23584.3744034053. The cubic root of 556222716 is about 822.3996316338.

The spelling of 556222716 in words is "five hundred fifty-six million, two hundred twenty-two thousand, seven hundred sixteen".