22302238 has 16 divisors (see below), whose sum is σ = 40245120. Its totient is φ = 9054936.

The previous prime is 22302233. The next prime is 22302239. The reversal of 22302238 is 83220322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22302233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41656 + ... + 42187.

It is an arithmetic number, because the mean of its divisors is an integer number (2515320).

Almost surely, 2^22302238 is an apocalyptic number.

22302238 is a deficient number, since it is larger than the sum of its proper divisors (17942882).

22302238 is a wasteful number, since it uses less digits than its factorization.

22302238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83871.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 22302238 is about 4722.5245367282. The cubic root of 22302238 is about 281.4812571717.

The spelling of 22302238 in words is "twenty-two million, three hundred two thousand, two hundred thirty-eight".