622953 has 12 divisors (see below), whose sum is σ = 947440. Its totient is φ = 393336.

The previous prime is 622943. The next prime is 622957. The reversal of 622953 is 359226.

It is not a de Polignac number, because 622953 - 2⁶ = 622889 is a prime.

It is a Duffinian number.

622953 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (622957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1651 + ... + 1992.

2⁶²²⁹⁵³ is an apocalyptic number.

It is an amenable number.

622953 is a deficient number, since it is larger than the sum of its proper divisors (324487).

622953 is a wasteful number, since it uses less digits than its factorization.

622953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668 (or 3665 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 622953 is about 789.2737167802. The cubic root of 622953 is about 85.4053533565.

The spelling of 622953 in words is "six hundred twenty-two thousand, nine hundred fifty-three".