22490127 has 24 divisors (see below), whose sum is σ = 35592960. Its totient is φ = 13571280.

The previous prime is 22490123. The next prime is 22490137. The reversal of 22490127 is 72109422.

It is not a de Polignac number, because 22490127 - 2² = 22490123 is a prime.

It is a super-2 number, since 2×22490127² = 1011611624952258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22490127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22490123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36024 + ... + 36642.

It is an arithmetic number, because the mean of its divisors is an integer number (1483040).

Almost surely, 2^22490127 is an apocalyptic number.

22490127 is a deficient number, since it is larger than the sum of its proper divisors (13102833).

22490127 is a wasteful number, since it uses less digits than its factorization.

22490127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 22490127 is about 4742.3756704842. The cubic root of 22490127 is about 282.2695099621.

Adding to 22490127 its reverse (72109422), we get a palindrome (94599549).

The spelling of 22490127 in words is "twenty-two million, four hundred ninety thousand, one hundred twenty-seven".