622490 has 16 divisors (see below), whose sum is σ = 1222560. Its totient is φ = 226320.

The previous prime is 622483. The next prime is 622493. The reversal of 622490 is 94226.

It is not an unprimeable number, because it can be changed into a prime (622493) 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 7 ways as a sum of consecutive naturals, for example, 2720 + ... + 2939.

It is an arithmetic number, because the mean of its divisors is an integer number (76410).

2⁶²²⁴⁹⁰ is an apocalyptic number.

622490 is a deficient number, since it is larger than the sum of its proper divisors (600070).

622490 is a wasteful number, since it uses less digits than its factorization.

622490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 622490 is about 788.9803546350. The cubic root of 622490 is about 85.3841893848.

It can be divided in two parts, 62 and 2490, that added together give a palindrome (2552).

The spelling of 622490 in words is "six hundred twenty-two thousand, four hundred ninety".