622658012 has 6 divisors (see below), whose sum is σ = 1089651528. Its totient is φ = 311329004.

The previous prime is 622658011. The next prime is 622658053. The reversal of 622658012 is 210856226.

It is a self number, because there is not a number n which added to its sum of digits gives 622658012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622658011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77832248 + ... + 77832255.

It is an arithmetic number, because the mean of its divisors is an integer number (181608588).

Almost surely, 2^622658012 is an apocalyptic number.

It is an amenable number.

622658012 is a deficient number, since it is larger than the sum of its proper divisors (466993516).

622658012 is a wasteful number, since it uses less digits than its factorization.

622658012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155664507 (or 155664505 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 622658012 is about 24953.1162783329. The cubic root of 622658012 is about 853.9187051377.

The spelling of 622658012 in words is "six hundred twenty-two million, six hundred fifty-eight thousand, twelve".