472220617 has 8 divisors (see below), whose sum is σ = 518312160. Its totient is φ = 426656160.

The previous prime is 472220597. The next prime is 472220621. The reversal of 472220617 is 716022274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 472220617 - 2¹¹ = 472218569 is a prime.

It is a super-2 number, since 2×472220617² = 445984622239721378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472220017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129892 + ... + 133477.

It is an arithmetic number, because the mean of its divisors is an integer number (64789020).

Almost surely, 2^472220617 is an apocalyptic number.

It is an amenable number.

472220617 is a deficient number, since it is larger than the sum of its proper divisors (46091543).

472220617 is a wasteful number, since it uses less digits than its factorization.

472220617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263543.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 472220617 is about 21730.6377495001. The cubic root of 472220617 is about 778.7205723571.

The spelling of 472220617 in words is "four hundred seventy-two million, two hundred twenty thousand, six hundred seventeen".