22540382 has 8 divisors (see below), whose sum is σ = 33919536. Its totient is φ = 11233872.

The previous prime is 22540373. The next prime is 22540387. The reversal of 22540382 is 28304522.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22540387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17378 + ... + 18629.

It is an arithmetic number, because the mean of its divisors is an integer number (4239942).

Almost surely, 2^22540382 is an apocalyptic number.

22540382 is a deficient number, since it is larger than the sum of its proper divisors (11379154).

22540382 is a wasteful number, since it uses less digits than its factorization.

22540382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36322.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 22540382 is about 4747.6712186081. The cubic root of 22540382 is about 282.4796006885.

It can be divided in two parts, 22540 and 382, that added together give a palindrome (22922).

The spelling of 22540382 in words is "twenty-two million, five hundred forty thousand, three hundred eighty-two".