22150236 has 24 divisors (see below), whose sum is σ = 51775360. Its totient is φ = 7370352.

The previous prime is 22150223. The next prime is 22150243. The reversal of 22150236 is 63205122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7455 + ... + 9993.

Almost surely, 2^22150236 is an apocalyptic number.

It is an amenable number.

22150236 is an abundant number, since it is smaller than the sum of its proper divisors (29625124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22150236 is a wasteful number, since it uses less digits than its factorization.

22150236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273 (or 3271 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 22150236 is about 4706.4037225890. The cubic root of 22150236 is about 280.8403157185.

Adding to 22150236 its reverse (63205122), we get a palindrome (85355358).

The spelling of 22150236 in words is "twenty-two million, one hundred fifty thousand, two hundred thirty-six".