22813149 has 8 divisors (see below), whose sum is σ = 30702240. Its totient is φ = 15066416.

The previous prime is 22813121. The next prime is 22813181. The reversal of 22813149 is 94131822.

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 22813149 - 2⁸ = 22812893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22813849) 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, 35214 + ... + 35855.

It is an arithmetic number, because the mean of its divisors is an integer number (3837780).

Almost surely, 2^22813149 is an apocalyptic number.

It is an amenable number.

22813149 is a deficient number, since it is larger than the sum of its proper divisors (7889091).

22813149 is a wasteful number, since it uses less digits than its factorization.

22813149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71179.

The product of its digits is 3456, while the sum is 30.

The square root of 22813149 is about 4776.3112335776. The cubic root of 22813149 is about 283.6144880045.

The spelling of 22813149 in words is "twenty-two million, eight hundred thirteen thousand, one hundred forty-nine".