622896387 has 16 divisors (see below), whose sum is σ = 845408640. Its totient is φ = 407860992.

The previous prime is 622896383. The next prime is 622896389. The reversal of 622896387 is 783698226.

It is not a de Polignac number, because 622896387 - 2² = 622896383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (622896383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66564 + ... + 75342.

It is an arithmetic number, because the mean of its divisors is an integer number (52838040).

Almost surely, 2^622896387 is an apocalyptic number.

622896387 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

622896387 is a deficient number, since it is larger than the sum of its proper divisors (222512253).

622896387 is a wasteful number, since it uses less digits than its factorization.

622896387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9202.

The product of its digits is 1741824, while the sum is 51.

The square root of 622896387 is about 24957.8922787963. The cubic root of 622896387 is about 854.0276610960.

The spelling of 622896387 in words is "six hundred twenty-two million, eight hundred ninety-six thousand, three hundred eighty-seven".