572022889 has 3 divisors (see below), whose sum is σ = 572046807. Its totient is φ = 571998972.

The previous prime is 572022887. The next prime is 572022959. The reversal of 572022889 is 988220275.

The square root of 572022889 is 23917.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 350251225 + 221771664 = 18715^2 + 14892^2 .

It is not a de Polignac number, because 572022889 - 2¹ = 572022887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (572022887) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11959 + ... + 35875.

It is an arithmetic number, because the mean of its divisors is an integer number (190682269).

Almost surely, 2^572022889 is an apocalyptic number.

572022889 is the 23917-th square number.

572022889 is the 11959-th centered octagonal number.

It is an amenable number.

572022889 is a deficient number, since it is larger than the sum of its proper divisors (23918).

572022889 is an frugal number, since it uses more digits than its factorization.

572022889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47834 (or 23917 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The cubic root of 572022889 is about 830.1141223056.

The spelling of 572022889 in words is "five hundred seventy-two million, twenty-two thousand, eight hundred eighty-nine".