22139485 has 8 divisors (see below), whose sum is σ = 26597376. Its totient is φ = 17691600.

The previous prime is 22139483. The next prime is 22139521. The reversal of 22139485 is 58493122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22139485 - 2¹ = 22139483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22139485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22139483) 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 7 ways as a sum of consecutive naturals, for example, 3832 + ... + 7678.

It is an arithmetic number, because the mean of its divisors is an integer number (3324672).

Almost surely, 2^22139485 is an apocalyptic number.

It is an amenable number.

22139485 is a deficient number, since it is larger than the sum of its proper divisors (4457891).

22139485 is a wasteful number, since it uses less digits than its factorization.

22139485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003.

The product of its digits is 17280, while the sum is 34.

The square root of 22139485 is about 4705.2614167547. The cubic root of 22139485 is about 280.7948714645.

The spelling of 22139485 in words is "twenty-two million, one hundred thirty-nine thousand, four hundred eighty-five".