561022470 has 32 divisors (see below), whose sum is σ = 1496060640. Its totient is φ = 149605920.

The previous prime is 561022459. The next prime is 561022537. The reversal of 561022470 is 74220165.

561022470 is a `hidden beast` number, since 5 + 610 + 2 + 2 + 47 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 1038661 + ... + 1039200.

It is an arithmetic number, because the mean of its divisors is an integer number (46751895).

Almost surely, 2^561022470 is an apocalyptic number.

561022470 is an abundant number, since it is smaller than the sum of its proper divisors (935038170).

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

561022470 is a wasteful number, since it uses less digits than its factorization.

561022470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077877 (or 2077871 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 561022470 is about 23685.9129019761. The cubic root of 561022470 is about 824.7584085986.

The spelling of 561022470 in words is "five hundred sixty-one million, twenty-two thousand, four hundred seventy".