622523131 has 8 divisors (see below), whose sum is σ = 651276864. Its totient is φ = 594415680.

The previous prime is 622523093. The next prime is 622523137. The reversal of 622523131 is 131325226.

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 622523131 - 2¹³ = 622514939 is a prime.

It is a super-2 number, since 2×622523131² = 775070097260086322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 622523096 and 622523105.

It is not an unprimeable number, because it can be changed into a prime (622523137) 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, 159600 + ... + 163453.

It is an arithmetic number, because the mean of its divisors is an integer number (81409608).

Almost surely, 2^622523131 is an apocalyptic number.

622523131 is a deficient number, since it is larger than the sum of its proper divisors (28753733).

622523131 is a wasteful number, since it uses less digits than its factorization.

622523131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323141.

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

The square root of 622523131 is about 24950.4134434682. The cubic root of 622523131 is about 853.8570416861.

Adding to 622523131 its reverse (131325226), we get a palindrome (753848357).

The spelling of 622523131 in words is "six hundred twenty-two million, five hundred twenty-three thousand, one hundred thirty-one".