622030144 has 28 divisors (see below), whose sum is σ = 1252772704. Its totient is φ = 306370944.

The previous prime is 622030141. The next prime is 622030163. The reversal of 622030144 is 441030226.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622030141) 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, 68244 + ... + 76819.

Almost surely, 2^622030144 is an apocalyptic number.

622030144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

622030144 is an abundant number, since it is smaller than the sum of its proper divisors (630742560).

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

622030144 is a wasteful number, since it uses less digits than its factorization.

622030144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145142 (or 145132 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 622030144 is about 24940.5321514999. The cubic root of 622030144 is about 853.6315873664.

The spelling of 622030144 in words is "six hundred twenty-two million, thirty thousand, one hundred forty-four".