426722426 has 16 divisors (see below), whose sum is σ = 697069800. Its totient is φ = 194734848.

The previous prime is 426722407. The next prime is 426722437. The reversal of 426722426 is 624227624.

It can be written as a sum of positive squares in 4 ways, for example, as 348382225 + 78340201 = 18665^2 + 8851^2 .

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, 89891 + ... + 94518.

Almost surely, 2^426722426 is an apocalyptic number.

426722426 is a deficient number, since it is larger than the sum of its proper divisors (270347374).

426722426 is a wasteful number, since it uses less digits than its factorization.

426722426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184513.

The product of its digits is 64512, while the sum is 35.

The square root of 426722426 is about 20657.2608542372. The cubic root of 426722426 is about 752.8616163898.

The spelling of 426722426 in words is "four hundred twenty-six million, seven hundred twenty-two thousand, four hundred twenty-six".