622523113 has 8 divisors (see below), whose sum is σ = 640217160. Its totient is φ = 604874880.

The previous prime is 622523093. The next prime is 622523137. The reversal of 622523113 is 311325226.

It can be written as a sum of positive squares in 4 ways, for example, as 868624 + 621654489 = 932^2 + 24933^2 .

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 622523113 - 2²¹ = 620425961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622523173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17103 + ... + 39211.

It is an arithmetic number, because the mean of its divisors is an integer number (80027145).

Almost surely, 2^622523113 is an apocalyptic number.

It is an amenable number.

622523113 is a deficient number, since it is larger than the sum of its proper divisors (17694047).

622523113 is a wasteful number, since it uses less digits than its factorization.

622523113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22907.

The product of its digits is 2160, while the sum is 25.

The square root of 622523113 is about 24950.4130827528. The cubic root of 622523113 is about 853.8570334565.

Adding to 622523113 its reverse (311325226), we get a palindrome (933848339).

The spelling of 622523113 in words is "six hundred twenty-two million, five hundred twenty-three thousand, one hundred thirteen".