622424157 has 16 divisors (see below), whose sum is σ = 851928000. Its totient is φ = 403977600.

The previous prime is 622424147. The next prime is 622424161. The reversal of 622424157 is 751424226.

It is not a de Polignac number, because 622424157 - 2⁴ = 622424141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622424147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56307 + ... + 66447.

It is an arithmetic number, because the mean of its divisors is an integer number (53245500).

Almost surely, 2^622424157 is an apocalyptic number.

It is an amenable number.

622424157 is a deficient number, since it is larger than the sum of its proper divisors (229503843).

622424157 is a wasteful number, since it uses less digits than its factorization.

622424157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10684.

The product of its digits is 26880, while the sum is 33.

The square root of 622424157 is about 24948.4299506001. The cubic root of 622424157 is about 853.8117881463.

It can be divided in two parts, 6224 and 24157, that added together give a triangular number (30381 = T₂₄₆).

The spelling of 622424157 in words is "six hundred twenty-two million, four hundred twenty-four thousand, one hundred fifty-seven".