626423422 has 4 divisors (see below), whose sum is σ = 939635136. Its totient is φ = 313211710.

The previous prime is 626423419. The next prime is 626423449. The reversal of 626423422 is 224324626.

It is a happy number.

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

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, 156605854 + ... + 156605857.

It is an arithmetic number, because the mean of its divisors is an integer number (234908784).

Almost surely, 2^626423422 is an apocalyptic number.

626423422 is a deficient number, since it is larger than the sum of its proper divisors (313211714).

626423422 is a wasteful number, since it uses less digits than its factorization.

626423422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313211713.

The product of its digits is 27648, while the sum is 31.

The square root of 626423422 is about 25028.4522493901. The cubic root of 626423422 is about 855.6365525148.

The spelling of 626423422 in words is "six hundred twenty-six million, four hundred twenty-three thousand, four hundred twenty-two".