426422402 has 20 divisors (see below), whose sum is σ = 746203206. Its totient is φ = 182750400.

The previous prime is 426422389. The next prime is 426422411. The reversal of 426422402 is 204224624.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 425555641 + 866761 = 20629^2 + 931^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39599 + ... + 49202.

Almost surely, 2^426422402 is an apocalyptic number.

426422402 is a deficient number, since it is larger than the sum of its proper divisors (319780804).

426422402 is an frugal number, since it uses more digits than its factorization.

426422402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88831 (or 88810 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 426422402 is about 20649.9976271185. The cubic root of 426422402 is about 752.6851320231.

The spelling of 426422402 in words is "four hundred twenty-six million, four hundred twenty-two thousand, four hundred two".