622494 has 12 divisors (see below), whose sum is σ = 1348776. Its totient is φ = 207492.

The previous prime is 622493. The next prime is 622513. The reversal of 622494 is 494226.

It is a Curzon number.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 17274 + ... + 17309.

It is an arithmetic number, because the mean of its divisors is an integer number (112398).

2⁶²²⁴⁹⁴ is an apocalyptic number.

622494 is an abundant number, since it is smaller than the sum of its proper divisors (726282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622494 is a wasteful number, since it uses less digits than its factorization.

622494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34591 (or 34588 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 622494 is about 788.9828895483. The cubic root of 622494 is about 85.3843722718.

Adding to 622494 its sum of digits (27), we get a square (622521 = 789²).

It can be divided in two parts, 62 and 2494, that added together give a triangular number (2556 = T₇₁).

The spelling of 622494 in words is "six hundred twenty-two thousand, four hundred ninety-four".