22993149 has 8 divisors (see below), whose sum is σ = 31236192. Its totient is φ = 15039440.

The previous prime is 22993147. The next prime is 22993151. The reversal of 22993149 is 94139922.

It is an interprime number because it is at equal distance from previous prime (22993147) and next prime (22993151).

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 22993149 - 2¹ = 22993147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22993141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72147 + ... + 72464.

It is an arithmetic number, because the mean of its divisors is an integer number (3904524).

Almost surely, 2^22993149 is an apocalyptic number.

It is an amenable number.

22993149 is a deficient number, since it is larger than the sum of its proper divisors (8243043).

22993149 is a wasteful number, since it uses less digits than its factorization.

22993149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144667.

The product of its digits is 34992, while the sum is 39.

The square root of 22993149 is about 4795.1172039899. The cubic root of 22993149 is about 284.3584584670.

The spelling of 22993149 in words is "twenty-two million, nine hundred ninety-three thousand, one hundred forty-nine".