622334057 has 4 divisors (see below), whose sum is σ = 622384980. Its totient is φ = 622283136.

The previous prime is 622334029. The next prime is 622334071. The reversal of 622334057 is 750433226.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 274101136 + 348232921 = 16556^2 + 18661^2 .

It is a cyclic number.

It is not a de Polignac number, because 622334057 - 2⁶ = 622333993 is a prime.

It is a deceptive number, since it divides R_622334056.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622334087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5093 + ... + 35645.

It is an arithmetic number, because the mean of its divisors is an integer number (155596245).

Almost surely, 2^622334057 is an apocalyptic number.

622334057 is the 20369-th pentagonal number.

It is an amenable number.

622334057 is a deficient number, since it is larger than the sum of its proper divisors (50923).

622334057 is a wasteful number, since it uses less digits than its factorization.

622334057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50922.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 622334057 is about 24946.6241603949. The cubic root of 622334057 is about 853.7705878632.

The spelling of 622334057 in words is "six hundred twenty-two million, three hundred thirty-four thousand, fifty-seven".