622406544 has 20 divisors (see below), whose sum is σ = 1607883696. Its totient is φ = 207468832.

The previous prime is 622406537. The next prime is 622406549. The reversal of 622406544 is 445604226.

It is not an unprimeable number, because it can be changed into a prime (622406549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6483354 + ... + 6483449.

Almost surely, 2^622406544 is an apocalyptic number.

It is an amenable number.

622406544 is an abundant number, since it is smaller than the sum of its proper divisors (985477152).

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

622406544 is a wasteful number, since it uses less digits than its factorization.

622406544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12966814 (or 12966808 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 622406544 is about 24948.0769599583. The cubic root of 622406544 is about 853.8037345124.

The spelling of 622406544 in words is "six hundred twenty-two million, four hundred six thousand, five hundred forty-four".