22044727 has 4 divisors (see below), whose sum is σ = 22804920. Its totient is φ = 21284536.

The previous prime is 22044721. The next prime is 22044761. The reversal of 22044727 is 72744022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22044727 - 2⁷ = 22044599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22044695 and 22044704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22044721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380053 + ... + 380110.

It is an arithmetic number, because the mean of its divisors is an integer number (5701230).

Almost surely, 2^22044727 is an apocalyptic number.

22044727 is a deficient number, since it is larger than the sum of its proper divisors (760193).

22044727 is an equidigital number, since it uses as much as digits as its factorization.

22044727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760192.

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 22044727 is about 4695.1812531573. The cubic root of 22044727 is about 280.3936936371.

Adding to 22044727 its reverse (72744022), we get a palindrome (94788749).

The spelling of 22044727 in words is "twenty-two million, forty-four thousand, seven hundred twenty-seven".