22744861 has 8 divisors (see below), whose sum is σ = 25130304. Its totient is φ = 20475840.

The previous prime is 22744859. The next prime is 22744871. The reversal of 22744861 is 16844722.

It is a happy number.

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 22744861 - 2¹ = 22744859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22744831) 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, 28695 + ... + 29476.

It is an arithmetic number, because the mean of its divisors is an integer number (3141288).

Almost surely, 2^22744861 is an apocalyptic number.

It is an amenable number.

22744861 is a deficient number, since it is larger than the sum of its proper divisors (2385443).

22744861 is a wasteful number, since it uses less digits than its factorization.

22744861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58211.

The product of its digits is 21504, while the sum is 34.

The square root of 22744861 is about 4769.1572630812. The cubic root of 22744861 is about 283.3312182849.

The spelling of 22744861 in words is "twenty-two million, seven hundred forty-four thousand, eight hundred sixty-one".