22743291 has 8 divisors (see below), whose sum is σ = 30346560. Its totient is φ = 15151112.

The previous prime is 22743289. The next prime is 22743293. The reversal of 22743291 is 19234722.

It is an interprime number because it is at equal distance from previous prime (22743289) and next prime (22743293).

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 22743291 - 2¹ = 22743289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22743293) 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, 5836 + ... + 8918.

It is an arithmetic number, because the mean of its divisors is an integer number (3793320).

Almost surely, 2^22743291 is an apocalyptic number.

22743291 is a deficient number, since it is larger than the sum of its proper divisors (7603269).

22743291 is a wasteful number, since it uses less digits than its factorization.

22743291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5545.

The product of its digits is 6048, while the sum is 30.

The square root of 22743291 is about 4768.9926609296. The cubic root of 22743291 is about 283.3246990064.

It can be divided in two parts, 2274 and 3291, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 22743291 in words is "twenty-two million, seven hundred forty-three thousand, two hundred ninety-one".