22090046 has 32 divisors (see below), whose sum is σ = 38966400. Its totient is φ = 9283680.

The previous prime is 22090039. The next prime is 22090087. The reversal of 22090046 is 64009022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17360 + ... + 18588.

It is an arithmetic number, because the mean of its divisors is an integer number (1217700).

Almost surely, 2^22090046 is an apocalyptic number.

22090046 is a deficient number, since it is larger than the sum of its proper divisors (16876354).

22090046 is a wasteful number, since it uses less digits than its factorization.

22090046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304.

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

The square root of 22090046 is about 4700.0048936145. The cubic root of 22090046 is about 280.5857042412.

Adding to 22090046 its reverse (64009022), we get a palindrome (86099068).

The spelling of 22090046 in words is "twenty-two million, ninety thousand, forty-six".