572217630 has 16 divisors (see below), whose sum is σ = 1373322384. Its totient is φ = 152591360.

The previous prime is 572217629. The next prime is 572217697. The reversal of 572217630 is 36712275.

It is a super-3 number, since 3×572217630³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 572217591 and 572217600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9536931 + ... + 9536990.

It is an arithmetic number, because the mean of its divisors is an integer number (85832649).

Almost surely, 2^572217630 is an apocalyptic number.

572217630 is an abundant number, since it is smaller than the sum of its proper divisors (801104754).

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

572217630 is a wasteful number, since it uses less digits than its factorization.

572217630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19073931.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 572217630 is about 23921.0708372347. The cubic root of 572217630 is about 830.2083137071.

The spelling of 572217630 in words is "five hundred seventy-two million, two hundred seventeen thousand, six hundred thirty".