622460 has 12 divisors (see below), whose sum is σ = 1307208. Its totient is φ = 248976.

The previous prime is 622423. The next prime is 622477. The reversal of 622460 is 64226.

622460 = T₁₁₃ + T₁₁₄ + ... + T₁₇₂.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 31123 = 622460 / (6 + 2 + 2 + 4 + 6 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15542 + ... + 15581.

It is an arithmetic number, because the mean of its divisors is an integer number (108934).

2⁶²²⁴⁶⁰ is an apocalyptic number.

It is an amenable number.

622460 is an abundant number, since it is smaller than the sum of its proper divisors (684748).

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

622460 is a wasteful number, since it uses less digits than its factorization.

622460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31132 (or 31130 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 622460 is about 788.9613425257. The cubic root of 622460 is about 85.3828177071.

Adding to 622460 its reverse (64226), we get a palindrome (686686).

The spelling of 622460 in words is "six hundred twenty-two thousand, four hundred sixty".