564421722 has 32 divisors (see below), whose sum is σ = 1171860480. Its totient is φ = 181016640.

The previous prime is 564421721. The next prime is 564421723. The reversal of 564421722 is 227124465.

It is an interprime number because it is at equal distance from previous prime (564421721) and next prime (564421723).

It is not an unprimeable number, because it can be changed into a prime (564421721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45447 + ... + 56517.

It is an arithmetic number, because the mean of its divisors is an integer number (36620640).

Almost surely, 2^564421722 is an apocalyptic number.

564421722 is an abundant number, since it is smaller than the sum of its proper divisors (607438758).

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

564421722 is a wasteful number, since it uses less digits than its factorization.

564421722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11398.

The product of its digits is 26880, while the sum is 33.

The square root of 564421722 is about 23757.5613647529. The cubic root of 564421722 is about 826.4208009357.

The spelling of 564421722 in words is "five hundred sixty-four million, four hundred twenty-one thousand, seven hundred twenty-two".