22290338 has 8 divisors (see below), whose sum is σ = 38212032. Its totient is φ = 9552996.

The previous prime is 22290337. The next prime is 22290341. The reversal of 22290338 is 83309222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22290338.

It is not an unprimeable number, because it can be changed into a prime (22290337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796070 + ... + 796097.

It is an arithmetic number, because the mean of its divisors is an integer number (4776504).

Almost surely, 2^22290338 is an apocalyptic number.

22290338 is a deficient number, since it is larger than the sum of its proper divisors (15921694).

22290338 is a wasteful number, since it uses less digits than its factorization.

22290338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592176.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 22290338 is about 4721.2644492763. The cubic root of 22290338 is about 281.4311841267.

The spelling of 22290338 in words is "twenty-two million, two hundred ninety thousand, three hundred thirty-eight".