622740942 has 24 divisors (see below), whose sum is σ = 1353151800. Its totient is φ = 206983440.

The previous prime is 622740917. The next prime is 622740953. The reversal of 622740942 is 249047226.

622740942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 622740897 and 622740906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43284 + ... + 55847.

It is an arithmetic number, because the mean of its divisors is an integer number (56381325).

Almost surely, 2^622740942 is an apocalyptic number.

622740942 is an abundant number, since it is smaller than the sum of its proper divisors (730410858).

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

622740942 is a wasteful number, since it uses less digits than its factorization.

622740942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99488 (or 99485 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 622740942 is about 24954.7779393045. Note that the first 3 decimals coincide. The cubic root of 622740942 is about 853.9566137666.

The spelling of 622740942 in words is "six hundred twenty-two million, seven hundred forty thousand, nine hundred forty-two".