472215810 has 48 divisors (see below), whose sum is σ = 1245722688. Its totient is φ = 114475680.

The previous prime is 472215803. The next prime is 472215811. The reversal of 472215810 is 18512274.

It is a super-2 number, since 2×472215810² = 445975542427912200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472215811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61414 + ... + 68673.

It is an arithmetic number, because the mean of its divisors is an integer number (25952556).

Almost surely, 2^472215810 is an apocalyptic number.

472215810 is an abundant number, since it is smaller than the sum of its proper divisors (773506878).

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

472215810 is a wasteful number, since it uses less digits than its factorization.

472215810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130119 (or 130108 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 472215810 is about 21730.5271450096. The cubic root of 472215810 is about 778.7179300029.

The spelling of 472215810 in words is "four hundred seventy-two million, two hundred fifteen thousand, eight hundred ten".