22540345 has 8 divisors (see below), whose sum is σ = 28224576. Its totient is φ = 17248176.

The previous prime is 22540339. The next prime is 22540361. The reversal of 22540345 is 54304522.

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

It is a cyclic number.

It is not a de Polignac number, because 22540345 - 2¹¹ = 22538297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97887 + ... + 98116.

It is an arithmetic number, because the mean of its divisors is an integer number (3528072).

Almost surely, 2^22540345 is an apocalyptic number.

It is an amenable number.

22540345 is a deficient number, since it is larger than the sum of its proper divisors (5684231).

22540345 is a wasteful number, since it uses less digits than its factorization.

22540345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196031.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 22540345 is about 4747.6673219593. The cubic root of 22540345 is about 282.4794461251.

Adding to 22540345 its reverse (54304522), we get a palindrome (76844867).

The spelling of 22540345 in words is "twenty-two million, five hundred forty thousand, three hundred forty-five".