22540383 has 8 divisors (see below), whose sum is σ = 33393200. Its totient is φ = 15026904.

The previous prime is 22540373. The next prime is 22540387. The reversal of 22540383 is 38304522.

It is not a de Polignac number, because 22540383 - 2⁶ = 22540319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 834829 = 22540383 / (2 + 2 + 5 + 4 + 0 + 3 + 8 + 3).

It is a Duffinian number.

It is a zygodrome in base 4.

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 7 ways as a sum of consecutive naturals, for example, 417388 + ... + 417441.

It is an arithmetic number, because the mean of its divisors is an integer number (4174150).

Almost surely, 2^22540383 is an apocalyptic number.

22540383 is a deficient number, since it is larger than the sum of its proper divisors (10852817).

22540383 is an equidigital number, since it uses as much as digits as its factorization.

22540383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834838 (or 834832 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 22540383 is about 4747.6713239229. The cubic root of 22540383 is about 282.4796048659.

The spelling of 22540383 in words is "twenty-two million, five hundred forty thousand, three hundred eighty-three".