626221036 has 12 divisors (see below), whose sum is σ = 1252442128. Its totient is φ = 268380432.

The previous prime is 626220953. The next prime is 626221087. The reversal of 626221036 is 630122626.

It is a happy number.

626221036 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 22365037 = 626221036 / (6 + 2 + 6 + 2 + 2 + 1 + 0 + 3 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 626220995 and 626221013.

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, 11182491 + ... + 11182546.

Almost surely, 2^626221036 is an apocalyptic number.

It is an amenable number.

626221036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

626221036 is a wasteful number, since it uses less digits than its factorization.

626221036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22365048 (or 22365046 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 626221036 is about 25024.4088042055. The cubic root of 626221036 is about 855.5443957266.

The spelling of 626221036 in words is "six hundred twenty-six million, two hundred twenty-one thousand, thirty-six".