622889000 has 32 divisors (see below), whose sum is σ = 1457562600. Its totient is φ = 249155200.

The previous prime is 622888961. The next prime is 622889011. The reversal of 622889000 is 988226.

It can be written as a sum of positive squares in 4 ways, for example, as 115648516 + 507240484 = 10754^2 + 22522^2 .

It is a congruent number.

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, 310445 + ... + 312444.

Almost surely, 2^622889000 is an apocalyptic number.

It is an amenable number.

622889000 is an abundant number, since it is smaller than the sum of its proper divisors (834673600).

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

622889000 is a wasteful number, since it uses less digits than its factorization.

622889000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622910 (or 622896 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 622889000 is about 24957.7442890979. The cubic root of 622889000 is about 854.0242850785.

The spelling of 622889000 in words is "six hundred twenty-two million, eight hundred eighty-nine thousand".