622652144 has 10 divisors (see below), whose sum is σ = 1206388560. Its totient is φ = 311326064.

The previous prime is 622652141. The next prime is 622652203. The reversal of 622652144 is 441256226.

622652144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 622652144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622652141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19457864 + ... + 19457895.

It is an arithmetic number, because the mean of its divisors is an integer number (120638856).

Almost surely, 2^622652144 is an apocalyptic number.

It is an amenable number.

622652144 is a deficient number, since it is larger than the sum of its proper divisors (583736416).

622652144 is a wasteful number, since it uses less digits than its factorization.

622652144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38915767 (or 38915761 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 622652144 is about 24952.9986975514. The cubic root of 622652144 is about 853.9160226536.

The spelling of 622652144 in words is "six hundred twenty-two million, six hundred fifty-two thousand, one hundred forty-four".