22901149 has 4 divisors (see below), whose sum is σ = 22913280. Its totient is φ = 22889020.

The previous prime is 22901147. The next prime is 22901183. The reversal of 22901149 is 94110922.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22901149 - 2¹ = 22901147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22901147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2557 + ... + 7234.

It is an arithmetic number, because the mean of its divisors is an integer number (5728320).

Almost surely, 2^22901149 is an apocalyptic number.

It is an amenable number.

22901149 is a deficient number, since it is larger than the sum of its proper divisors (12131).

22901149 is an equidigital number, since it uses as much as digits as its factorization.

22901149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12130.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 22901149 is about 4785.5144968958. The cubic root of 22901149 is about 283.9786939316.

The spelling of 22901149 in words is "twenty-two million, nine hundred one thousand, one hundred forty-nine".