22261127 has 16 divisors (see below), whose sum is σ = 26376192. Its totient is φ = 18392640.

The previous prime is 22261123. The next prime is 22261147. The reversal of 22261127 is 72116222.

It is a happy number.

It is not a de Polignac number, because 22261127 - 2² = 22261123 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 (22261123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22883 + ... + 23835.

It is an arithmetic number, because the mean of its divisors is an integer number (1648512).

Almost surely, 2^22261127 is an apocalyptic number.

22261127 is a deficient number, since it is larger than the sum of its proper divisors (4115065).

22261127 is an equidigital number, since it uses as much as digits as its factorization.

22261127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078.

The product of its digits is 672, while the sum is 23.

The square root of 22261127 is about 4718.1698782473. The cubic root of 22261127 is about 281.3081939170.

Adding to 22261127 its reverse (72116222), we get a palindrome (94377349).

It can be divided in two parts, 2 and 2261127, that multiplied together give a palindrome (4522254).

The spelling of 22261127 in words is "twenty-two million, two hundred sixty-one thousand, one hundred twenty-seven".