426227726 has 4 divisors (see below), whose sum is σ = 639341592. Its totient is φ = 213113862.

The previous prime is 426227717. The next prime is 426227731. The reversal of 426227726 is 627722624.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×426227726² = 363340148822262152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 426227726.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106556930 + ... + 106556933.

It is an arithmetic number, because the mean of its divisors is an integer number (159835398).

Almost surely, 2^426227726 is an apocalyptic number.

426227726 is a deficient number, since it is larger than the sum of its proper divisors (213113866).

426227726 is a wasteful number, since it uses less digits than its factorization.

426227726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213113865.

The product of its digits is 112896, while the sum is 38.

The square root of 426227726 is about 20645.2833838628. The cubic root of 426227726 is about 752.5705726610.

The spelling of 426227726 in words is "four hundred twenty-six million, two hundred twenty-seven thousand, seven hundred twenty-six".