622497 has 16 divisors (see below), whose sum is σ = 892160. Its totient is φ = 384912.

The previous prime is 622493. The next prime is 622513. The reversal of 622497 is 794226.

It is a happy number.

It is not a de Polignac number, because 622497 - 2² = 622493 is a prime.

It is a Duffinian number.

Its product of digits (6048) is a multiple of the sum of its prime divisors (252).

It is not an unprimeable number, because it can be changed into a prime (622493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3738 + ... + 3900.

It is an arithmetic number, because the mean of its divisors is an integer number (55760).

2⁶²²⁴⁹⁷ is an apocalyptic number.

622497 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

622497 is a deficient number, since it is larger than the sum of its proper divisors (269663).

622497 is a wasteful number, since it uses less digits than its factorization.

622497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252.

The product of its digits is 6048, while the sum is 30.

The square root of 622497 is about 788.9847907279. The cubic root of 622497 is about 85.3845094365.

The spelling of 622497 in words is "six hundred twenty-two thousand, four hundred ninety-seven".