622173738 has 8 divisors (see below), whose sum is σ = 1244347488. Its totient is φ = 207391244.

The previous prime is 622173719. The next prime is 622173763. The reversal of 622173738 is 837371226.

It is a sphenic number, since it is the product of 3 distinct primes.

622173738 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 622173696 and 622173705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51847806 + ... + 51847817.

It is an arithmetic number, because the mean of its divisors is an integer number (155543436).

Almost surely, 2^622173738 is an apocalyptic number.

622173738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

622173738 is a wasteful number, since it uses less digits than its factorization.

622173738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103695628.

The product of its digits is 84672, while the sum is 39.

The square root of 622173738 is about 24943.4107130521. The cubic root of 622173738 is about 853.6972685044.

The spelling of 622173738 in words is "six hundred twenty-two million, one hundred seventy-three thousand, seven hundred thirty-eight".