22540353 has 8 divisors (see below), whose sum is σ = 32786016. Its totient is φ = 13660800.

The previous prime is 22540339. The next prime is 22540361. The reversal of 22540353 is 35304522.

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

It is not a de Polignac number, because 22540353 - 2⁸ = 22540097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22540373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341488 + ... + 341553.

It is an arithmetic number, because the mean of its divisors is an integer number (4098252).

Almost surely, 2^22540353 is an apocalyptic number.

It is an amenable number.

22540353 is a deficient number, since it is larger than the sum of its proper divisors (10245663).

22540353 is a wasteful number, since it uses less digits than its factorization.

22540353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683055.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 22540353 is about 4747.6681644782. The cubic root of 22540353 is about 282.4794795443.

Adding to 22540353 its reverse (35304522), we get a palindrome (57844875).

It can be divided in two parts, 225403 and 53, that added together give a triangular number (225456 = T₆₇₁).

The spelling of 22540353 in words is "twenty-two million, five hundred forty thousand, three hundred fifty-three".