22691150 has 12 divisors (see below), whose sum is σ = 42205632. Its totient is φ = 9076440.

The previous prime is 22691131. The next prime is 22691159. The reversal of 22691150 is 5119622.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22691159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226862 + ... + 226961.

It is an arithmetic number, because the mean of its divisors is an integer number (3517136).

Almost surely, 2^22691150 is an apocalyptic number.

22691150 is a deficient number, since it is larger than the sum of its proper divisors (19514482).

22691150 is a wasteful number, since it uses less digits than its factorization.

22691150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453835 (or 453830 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 22691150 is about 4763.5228560384. The cubic root of 22691150 is about 283.1080177168.

The spelling of 22691150 in words is "twenty-two million, six hundred ninety-one thousand, one hundred fifty".