22542265 has 8 divisors (see below), whose sum is σ = 28474560. Its totient is φ = 17084592.

The previous prime is 22542263. The next prime is 22542269. The reversal of 22542265 is 56224522.

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 22542265 - 2¹ = 22542263 is a prime.

It is a super-2 number, since 2×22542265² = 1016307422660450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22542263) 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, 118549 + ... + 118738.

It is an arithmetic number, because the mean of its divisors is an integer number (3559320).

Almost surely, 2^22542265 is an apocalyptic number.

It is an amenable number.

22542265 is a deficient number, since it is larger than the sum of its proper divisors (5932295).

22542265 is a wasteful number, since it uses less digits than its factorization.

22542265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237311.

The product of its digits is 9600, while the sum is 28.

The square root of 22542265 is about 4747.8695222173. The cubic root of 22542265 is about 282.4874664865.

Adding to 22542265 its reverse (56224522), we get a palindrome (78766787).

The spelling of 22542265 in words is "twenty-two million, five hundred forty-two thousand, two hundred sixty-five".