426722461 has 4 divisors (see below), whose sum is σ = 465515424. Its totient is φ = 387929500.

The previous prime is 426722437. The next prime is 426722467. The reversal of 426722461 is 164227624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 426722461 - 2⁷ = 426722333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426722467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19396465 + ... + 19396486.

It is an arithmetic number, because the mean of its divisors is an integer number (116378856).

Almost surely, 2^426722461 is an apocalyptic number.

It is an amenable number.

426722461 is a deficient number, since it is larger than the sum of its proper divisors (38792963).

426722461 is a wasteful number, since it uses less digits than its factorization.

426722461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38792962.

The product of its digits is 32256, while the sum is 34.

The square root of 426722461 is about 20657.2617013969. The cubic root of 426722461 is about 752.8616369732.

The spelling of 426722461 in words is "four hundred twenty-six million, seven hundred twenty-two thousand, four hundred sixty-one".