22152233 has 8 divisors (see below), whose sum is σ = 23949120. Its totient is φ = 20418480.

The previous prime is 22152223. The next prime is 22152239. The reversal of 22152233 is 33225122.

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

It is a cyclic number.

It is not a de Polignac number, because 22152233 - 2⁸ = 22151977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22152239) 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, 15053 + ... + 16458.

It is an arithmetic number, because the mean of its divisors is an integer number (2993640).

Almost surely, 2^22152233 is an apocalyptic number.

It is an amenable number.

22152233 is a deficient number, since it is larger than the sum of its proper divisors (1796887).

22152233 is a wasteful number, since it uses less digits than its factorization.

22152233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31567.

The product of its digits is 720, while the sum is 20.

The square root of 22152233 is about 4706.6158755522. The cubic root of 22152233 is about 280.8487553767.

Adding to 22152233 its reverse (33225122), we get a palindrome (55377355).

The spelling of 22152233 in words is "twenty-two million, one hundred fifty-two thousand, two hundred thirty-three".