22136629 has 4 divisors (see below), whose sum is σ = 22146400. Its totient is φ = 22126860.

The previous prime is 22136627. The next prime is 22136641. The reversal of 22136629 is 92663122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22136629 - 2¹ = 22136627 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 22136629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22136627) 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, 472 + ... + 6670.

It is an arithmetic number, because the mean of its divisors is an integer number (5536600).

Almost surely, 2^22136629 is an apocalyptic number.

It is an amenable number.

22136629 is a deficient number, since it is larger than the sum of its proper divisors (9771).

22136629 is an equidigital number, since it uses as much as digits as its factorization.

22136629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9770.

The product of its digits is 7776, while the sum is 31.

The square root of 22136629 is about 4704.9579169213. The cubic root of 22136629 is about 280.7827967386.

The spelling of 22136629 in words is "twenty-two million, one hundred thirty-six thousand, six hundred twenty-nine".