426227972 has 12 divisors (see below), whose sum is σ = 746280780. Its totient is φ = 213004896.

The previous prime is 426227957. The next prime is 426227999. The reversal of 426227972 is 279722624.

It can be written as a sum of positive squares in 2 ways, for example, as 339812356 + 86415616 = 18434^2 + 9296^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18143 + ... + 34374.

It is an arithmetic number, because the mean of its divisors is an integer number (62190065).

Almost surely, 2^426227972 is an apocalyptic number.

It is an amenable number.

426227972 is a deficient number, since it is larger than the sum of its proper divisors (320052808).

426227972 is a wasteful number, since it uses less digits than its factorization.

426227972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54550 (or 54548 counting only the distinct ones).

The product of its digits is 169344, while the sum is 41.

The square root of 426227972 is about 20645.2893416392. The cubic root of 426227972 is about 752.5707174446.

The spelling of 426227972 in words is "four hundred twenty-six million, two hundred twenty-seven thousand, nine hundred seventy-two".