22053634 has 8 divisors (see below), whose sum is σ = 33107580. Its totient is φ = 11017776.

The previous prime is 22053611. The next prime is 22053637. The reversal of 22053634 is 43635022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22043025 + 10609 = 4695^2 + 103^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 22053599 and 22053608.

It is not an unprimeable number, because it can be changed into a prime (22053637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889 + ... + 6700.

Almost surely, 2^22053634 is an apocalyptic number.

22053634 is a deficient number, since it is larger than the sum of its proper divisors (11053946).

22053634 is a wasteful number, since it uses less digits than its factorization.

22053634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9044.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 22053634 is about 4696.1296830475. The cubic root of 22053634 is about 280.4314521805.

Adding to 22053634 its reverse (43635022), we get a palindrome (65688656).

The spelling of 22053634 in words is "twenty-two million, fifty-three thousand, six hundred thirty-four".