22890446 has 4 divisors (see below), whose sum is σ = 34335672. Its totient is φ = 11445222.

The previous prime is 22890409. The next prime is 22890467. The reversal of 22890446 is 64409822.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5722610 + ... + 5722613.

It is an arithmetic number, because the mean of its divisors is an integer number (8583918).

Almost surely, 2^22890446 is an apocalyptic number.

22890446 is a deficient number, since it is larger than the sum of its proper divisors (11445226).

22890446 is a wasteful number, since it uses less digits than its factorization.

22890446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11445225.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 22890446 is about 4784.3960956426. The cubic root of 22890446 is about 283.9344472786.

The spelling of 22890446 in words is "twenty-two million, eight hundred ninety thousand, four hundred forty-six".