22743233 has 8 divisors (see below), whose sum is σ = 23473800. Its totient is φ = 22021120.

The previous prime is 22743199. The next prime is 22743239. The reversal of 22743233 is 33234722.

It can be written as a sum of positive squares in 4 ways, for example, as 9409 + 22733824 = 97^2 + 4768^2 .

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 22743233 - 2⁶ = 22743169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22743239) 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, 3593 + ... + 7641.

It is an arithmetic number, because the mean of its divisors is an integer number (2934225).

Almost surely, 2^22743233 is an apocalyptic number.

It is an amenable number.

22743233 is a deficient number, since it is larger than the sum of its proper divisors (730567).

22743233 is a wasteful number, since it uses less digits than its factorization.

22743233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227.

The product of its digits is 6048, while the sum is 26.

The square root of 22743233 is about 4768.9865799769. The cubic root of 22743233 is about 283.3244581611.

Adding to 22743233 its reverse (33234722), we get a palindrome (55977955).

The spelling of 22743233 in words is "twenty-two million, seven hundred forty-three thousand, two hundred thirty-three".