22650238 has 8 divisors (see below), whose sum is σ = 36588888. Its totient is φ = 10453944.

The previous prime is 22650227. The next prime is 22650241. The reversal of 22650238 is 83205622.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435556 + ... + 435607.

It is an arithmetic number, because the mean of its divisors is an integer number (4573611).

Almost surely, 2^22650238 is an apocalyptic number.

22650238 is a deficient number, since it is larger than the sum of its proper divisors (13938650).

22650238 is a wasteful number, since it uses less digits than its factorization.

22650238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871178.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 22650238 is about 4759.2266178445. The cubic root of 22650238 is about 282.9377680340.

The spelling of 22650238 in words is "twenty-two million, six hundred fifty thousand, two hundred thirty-eight".