622252840 has 32 divisors (see below), whose sum is σ = 1527348960. Its totient is φ = 226273600.

The previous prime is 622252837. The next prime is 622252847. The reversal of 622252840 is 48252226.

It is not an unprimeable number, because it can be changed into a prime (622252847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706666 + ... + 707545.

It is an arithmetic number, because the mean of its divisors is an integer number (47729655).

Almost surely, 2^622252840 is an apocalyptic number.

It is an amenable number.

622252840 is an abundant number, since it is smaller than the sum of its proper divisors (905096120).

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

622252840 is a wasteful number, since it uses less digits than its factorization.

622252840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414233 (or 1414229 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 622252840 is about 24944.9962918418. The cubic root of 622252840 is about 853.7334461269.

The spelling of 622252840 in words is "six hundred twenty-two million, two hundred fifty-two thousand, eight hundred forty".