6422090 has 32 divisors (see below), whose sum is σ = 12582864. Its totient is φ = 2350080.

The previous prime is 6422089. The next prime is 6422111. The reversal of 6422090 is 902246.

It can be written as a sum of positive squares in 8 ways, for example, as 5257849 + 1164241 = 2293^2 + 1079^2 .

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, 5780 + ... + 6800.

Almost surely, 2^6422090 is an apocalyptic number.

6422090 is a deficient number, since it is larger than the sum of its proper divisors (6160774).

6422090 is a wasteful number, since it uses less digits than its factorization.

6422090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082.

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

The square root of 6422090 is about 2534.1842869057. The cubic root of 6422090 is about 185.8769178383.

The spelling of 6422090 in words is "six million, four hundred twenty-two thousand, ninety".