22724133 has 8 divisors (see below), whose sum is σ = 31893600. Its totient is φ = 14352048.

The previous prime is 22724129. The next prime is 22724173. The reversal of 22724133 is 33142722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22724133 - 2² = 22724129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22724123) 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, 199278 + ... + 199391.

It is an arithmetic number, because the mean of its divisors is an integer number (3986700).

Almost surely, 2^22724133 is an apocalyptic number.

It is an amenable number.

22724133 is a deficient number, since it is larger than the sum of its proper divisors (9169467).

22724133 is a wasteful number, since it uses less digits than its factorization.

22724133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398691.

The product of its digits is 2016, while the sum is 24.

The square root of 22724133 is about 4766.9836374798. The cubic root of 22724133 is about 283.2451230209.

Adding to 22724133 its reverse (33142722), we get a palindrome (55866855).

The spelling of 22724133 in words is "twenty-two million, seven hundred twenty-four thousand, one hundred thirty-three".