622705971 has 8 divisors (see below), whose sum is σ = 879114384. Its totient is φ = 390717440.

The previous prime is 622705931. The next prime is 622706017. The reversal of 622705971 is 179507226.

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

It is a cyclic number.

It is not a de Polignac number, because 622705971 - 2⁷ = 622705843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (622705931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6104910 + ... + 6105011.

It is an arithmetic number, because the mean of its divisors is an integer number (109889298).

Almost surely, 2^622705971 is an apocalyptic number.

622705971 is a deficient number, since it is larger than the sum of its proper divisors (256408413).

622705971 is a wasteful number, since it uses less digits than its factorization.

622705971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12209941.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 622705971 is about 24954.0772420060. The cubic root of 622705971 is about 853.9406283738.

The spelling of 622705971 in words is "six hundred twenty-two million, seven hundred five thousand, nine hundred seventy-one".