622501 has 4 divisors (see below), whose sum is σ = 679104. Its totient is φ = 565900.

The previous prime is 622493. The next prime is 622513. The reversal of 622501 is 105226.

It is a happy number.

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 622501 - 2³ = 622493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28285 + ... + 28306.

It is an arithmetic number, because the mean of its divisors is an integer number (169776).

2⁶²²⁵⁰¹ is an apocalyptic number.

It is an amenable number.

622501 is a deficient number, since it is larger than the sum of its proper divisors (56603).

622501 is a wasteful number, since it uses less digits than its factorization.

622501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56602.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 622501 is about 788.9873256270. The cubic root of 622501 is about 85.3846923222.

Adding to 622501 its reverse (105226), we get a palindrome (727727).

The spelling of 622501 in words is "six hundred twenty-two thousand, five hundred one".