622951740 has 72 divisors (see below), whose sum is σ = 2000784240. Its totient is φ = 156347904.

The previous prime is 622951709. The next prime is 622951759. The reversal of 622951740 is 47159226.

622951740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 622951695 and 622951704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98730 + ... + 104849.

It is an arithmetic number, because the mean of its divisors is an integer number (27788670).

Almost surely, 2^622951740 is an apocalyptic number.

622951740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

622951740 is an abundant number, since it is smaller than the sum of its proper divisors (1377832500).

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

622951740 is a wasteful number, since it uses less digits than its factorization.

622951740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203611 (or 203606 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 622951740 is about 24959.0011819384. The cubic root of 622951740 is about 854.0529577552.

The spelling of 622951740 in words is "six hundred twenty-two million, nine hundred fifty-one thousand, seven hundred forty".