622190 has 8 divisors (see below), whose sum is σ = 1119960. Its totient is φ = 248872.

The previous prime is 622189. The next prime is 622241. The reversal of 622190 is 91226.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×622190² = 774240792200, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 31100 + ... + 31119.

It is an arithmetic number, because the mean of its divisors is an integer number (139995).

2⁶²²¹⁹⁰ is an apocalyptic number.

622190 is a deficient number, since it is larger than the sum of its proper divisors (497770).

622190 is a wasteful number, since it uses less digits than its factorization.

622190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62226.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 622190 is about 788.7902129210. The cubic root of 622190 is about 85.3704706247.

Subtracting from 622190 its sum of digits (20), we obtain a triangular number (622170 = T₁₁₁₅).

The spelling of 622190 in words is "six hundred twenty-two thousand, one hundred ninety".