622940380 has 24 divisors (see below), whose sum is σ = 1308690432. Its totient is φ = 249077952.

The previous prime is 622940377. The next prime is 622940389. The reversal of 622940380 is 83049226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622940389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67314 + ... + 76006.

It is an arithmetic number, because the mean of its divisors is an integer number (54528768).

Almost surely, 2^622940380 is an apocalyptic number.

It is an amenable number.

622940380 is an abundant number, since it is smaller than the sum of its proper divisors (685750052).

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

622940380 is a wasteful number, since it uses less digits than its factorization.

622940380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12285 (or 12283 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 622940380 is about 24958.7736076915. The cubic root of 622940380 is about 854.0477662880.

The spelling of 622940380 in words is "six hundred twenty-two million, nine hundred forty thousand, three hundred eighty".