622961 has 4 divisors (see below), whose sum is σ = 624624. Its totient is φ = 621300.

The previous prime is 622957. The next prime is 622967. The reversal of 622961 is 169226.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 622961 - 2² = 622957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 622961.

It is not an unprimeable number, because it can be changed into a prime (622967) 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, 26 + ... + 1116.

It is an arithmetic number, because the mean of its divisors is an integer number (156156).

2⁶²²⁹⁶¹ is an apocalyptic number.

It is an amenable number.

622961 is a deficient number, since it is larger than the sum of its proper divisors (1663).

622961 is a wasteful number, since it uses less digits than its factorization.

622961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662.

The product of its digits is 1296, while the sum is 26.

The square root of 622961 is about 789.2787847142. The cubic root of 622961 is about 85.4057189486.

The spelling of 622961 in words is "six hundred twenty-two thousand, nine hundred sixty-one".