22890206 has 4 divisors (see below), whose sum is σ = 34335312. Its totient is φ = 11445102.

The previous prime is 22890181. The next prime is 22890277. The reversal of 22890206 is 60209822.

It is a happy number.

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, 5722550 + ... + 5722553.

It is an arithmetic number, because the mean of its divisors is an integer number (8583828).

Almost surely, 2^22890206 is an apocalyptic number.

22890206 is a deficient number, since it is larger than the sum of its proper divisors (11445106).

22890206 is a wasteful number, since it uses less digits than its factorization.

22890206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11445105.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 22890206 is about 4784.3710140414. The cubic root of 22890206 is about 283.9334549504.

The spelling of 22890206 in words is "twenty-two million, eight hundred ninety thousand, two hundred six".