22125499 has 4 divisors (see below), whose sum is σ = 24136920. Its totient is φ = 20114080.

The previous prime is 22125479. The next prime is 22125503. The reversal of 22125499 is 99452122.

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 22125499 - 2¹⁵ = 22092731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22125419) 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, 1005694 + ... + 1005715.

It is an arithmetic number, because the mean of its divisors is an integer number (6034230).

Almost surely, 2^22125499 is an apocalyptic number.

22125499 is a deficient number, since it is larger than the sum of its proper divisors (2011421).

22125499 is a wasteful number, since it uses less digits than its factorization.

22125499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011420.

The product of its digits is 12960, while the sum is 34.

The square root of 22125499 is about 4703.7749733592. The cubic root of 22125499 is about 280.7357309089.

It can be divided in two parts, 22 and 125499, that added together give a palindrome (125521).

The spelling of 22125499 in words is "twenty-two million, one hundred twenty-five thousand, four hundred ninety-nine".