22257127 has 4 divisors (see below), whose sum is σ = 22266576. Its totient is φ = 22247680.

The previous prime is 22257119. The next prime is 22257149. The reversal of 22257127 is 72175222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22257127 - 2³ = 22257119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22257095 and 22257104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22257107) 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, 1998 + ... + 6964.

It is an arithmetic number, because the mean of its divisors is an integer number (5566644).

Almost surely, 2^22257127 is an apocalyptic number.

22257127 is a deficient number, since it is larger than the sum of its proper divisors (9449).

22257127 is an equidigital number, since it uses as much as digits as its factorization.

22257127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9448.

The product of its digits is 3920, while the sum is 28.

The square root of 22257127 is about 4717.7459660308. The cubic root of 22257127 is about 281.2913439139.

The spelling of 22257127 in words is "twenty-two million, two hundred fifty-seven thousand, one hundred twenty-seven".