622738148 has 24 divisors (see below), whose sum is σ = 1149933120. Its totient is φ = 294265440.

The previous prime is 622738139. The next prime is 622738153. The reversal of 622738148 is 841837226.

622738148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 22265 + ... + 41727.

It is an arithmetic number, because the mean of its divisors is an integer number (47913880).

Almost surely, 2^622738148 is an apocalyptic number.

It is an amenable number.

622738148 is a deficient number, since it is larger than the sum of its proper divisors (527194972).

622738148 is a wasteful number, since it uses less digits than its factorization.

622738148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19907 (or 19905 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 622738148 is about 24954.7219579782. The cubic root of 622738148 is about 853.9553366393.

The spelling of 622738148 in words is "six hundred twenty-two million, seven hundred thirty-eight thousand, one hundred forty-eight".