22690838 has 4 divisors (see below), whose sum is σ = 34036260. Its totient is φ = 11345418.

The previous prime is 22690813. The next prime is 22690861. The reversal of 22690838 is 83809622.

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, 5672708 + ... + 5672711.

It is an arithmetic number, because the mean of its divisors is an integer number (8509065).

Almost surely, 2^22690838 is an apocalyptic number.

22690838 is a deficient number, since it is larger than the sum of its proper divisors (11345422).

22690838 is a wasteful number, since it uses less digits than its factorization.

22690838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11345421.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 22690838 is about 4763.4901070539. The cubic root of 22690838 is about 283.1067201462.

The spelling of 22690838 in words is "twenty-two million, six hundred ninety thousand, eight hundred thirty-eight".