2622193990 has 32 divisors (see below), whose sum is σ = 5350554720. Its totient is φ = 917236224.

The previous prime is 2622193979. The next prime is 2622194021. The reversal of 2622193990 is 993912262.

It is a happy number.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 15 ways as a sum of consecutive naturals, for example, 528339 + ... + 533278.

It is an arithmetic number, because the mean of its divisors is an integer number (167204835).

Almost surely, 2^2622193990 is an apocalyptic number.

2622193990 is an abundant number, since it is smaller than the sum of its proper divisors (2728360730).

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

2622193990 is a wasteful number, since it uses less digits than its factorization.

2622193990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061656.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 2622193990 is about 51207.3626542121. The cubic root of 2622193990 is about 1378.9703847662.

The spelling of 2622193990 in words is "two billion, six hundred twenty-two million, one hundred ninety-three thousand, nine hundred ninety".