426722531 has 8 divisors (see below), whose sum is σ = 436262160. Its totient is φ = 417276288.

The previous prime is 426722521. The next prime is 426722537. The reversal of 426722531 is 135227624.

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 426722531 - 2⁶ = 426722467 is a prime.

It is a super-2 number, since 2×426722531² = 364184236926091922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426722537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14066 + ... + 32423.

It is an arithmetic number, because the mean of its divisors is an integer number (54532770).

Almost surely, 2^426722531 is an apocalyptic number.

426722531 is a deficient number, since it is larger than the sum of its proper divisors (9539629).

426722531 is a wasteful number, since it uses less digits than its factorization.

426722531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46693.

The product of its digits is 20160, while the sum is 32.

The square root of 426722531 is about 20657.2633957163. The cubic root of 426722531 is about 752.8616781399.

The spelling of 426722531 in words is "four hundred twenty-six million, seven hundred twenty-two thousand, five hundred thirty-one".