622344648 has 32 divisors (see below), whose sum is σ = 1560290400. Its totient is φ = 206857728.

The previous prime is 622344589. The next prime is 622344689. The reversal of 622344648 is 846443226.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28258 + ... + 45201.

It is an arithmetic number, because the mean of its divisors is an integer number (48759075).

Almost surely, 2^622344648 is an apocalyptic number.

It is an amenable number.

622344648 is an abundant number, since it is smaller than the sum of its proper divisors (937945752).

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

622344648 is a wasteful number, since it uses less digits than its factorization.

622344648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73821 (or 73817 counting only the distinct ones).

The product of its digits is 221184, while the sum is 39.

The square root of 622344648 is about 24946.8364327022. The cubic root of 622344648 is about 853.7754310461.

The spelling of 622344648 in words is "six hundred twenty-two million, three hundred forty-four thousand, six hundred forty-eight".