24223149 has 12 divisors (see below), whose sum is σ = 36195900. Its totient is φ = 15591744.

The previous prime is 24223139. The next prime is 24223153. The reversal of 24223149 is 94132242.

It can be written as a sum of positive squares in 2 ways, for example, as 17489124 + 6734025 = 4182^2 + 2595^2 .

It is not a de Polignac number, because 24223149 - 2²⁰ = 23174573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24223139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46144 + ... + 46665.

It is an arithmetic number, because the mean of its divisors is an integer number (3016325).

Almost surely, 2^24223149 is an apocalyptic number.

24223149 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

24223149 is a deficient number, since it is larger than the sum of its proper divisors (11972751).

24223149 is a wasteful number, since it uses less digits than its factorization.

24223149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92844 (or 92841 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 24223149 is about 4921.7018398111. The cubic root of 24223149 is about 289.3411479634.

The spelling of 24223149 in words is "twenty-four million, two hundred twenty-three thousand, one hundred forty-nine".