22139753 has 4 divisors (see below), whose sum is σ = 22342980. Its totient is φ = 21936528.

The previous prime is 22139749. The next prime is 22139837. The reversal of 22139753 is 35793122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13630864 + 8508889 = 3692^2 + 2917^2 .

It is a cyclic number.

It is not a de Polignac number, because 22139753 - 2² = 22139749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22139353) 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 3 ways as a sum of consecutive naturals, for example, 101450 + ... + 101667.

It is an arithmetic number, because the mean of its divisors is an integer number (5585745).

Almost surely, 2^22139753 is an apocalyptic number.

It is an amenable number.

22139753 is a deficient number, since it is larger than the sum of its proper divisors (203227).

22139753 is a wasteful number, since it uses less digits than its factorization.

22139753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203226.

The product of its digits is 11340, while the sum is 32.

The square root of 22139753 is about 4705.2898954262. The cubic root of 22139753 is about 280.7960044737.

The spelling of 22139753 in words is "twenty-two million, one hundred thirty-nine thousand, seven hundred fifty-three".