622946231 has 4 divisors (see below), whose sum is σ = 623321592. Its totient is φ = 622570872.

The previous prime is 622946221. The next prime is 622946243. The reversal of 622946231 is 132649226.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132649226 = 2 ⋅66324613.

It is a cyclic number.

It is not a de Polignac number, because 622946231 - 2²⁶ = 555837367 is a prime.

It is a super-2 number, since 2×622946231² = 776124013434210722, 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 = 622946191 and 622946200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622946201) 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, 185180 + ... + 188513.

It is an arithmetic number, because the mean of its divisors is an integer number (155830398).

Almost surely, 2^622946231 is an apocalyptic number.

622946231 is a deficient number, since it is larger than the sum of its proper divisors (375361).

622946231 is a wasteful number, since it uses less digits than its factorization.

622946231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375360.

The product of its digits is 31104, while the sum is 35.

The square root of 622946231 is about 24958.8908207076. The cubic root of 622946231 is about 854.0504401757.

The spelling of 622946231 in words is "six hundred twenty-two million, nine hundred forty-six thousand, two hundred thirty-one".