22545263 has 8 divisors (see below), whose sum is σ = 24316656. Its totient is φ = 20779200.

The previous prime is 22545253. The next prime is 22545283. The reversal of 22545263 is 36254522.

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

It is not a de Polignac number, because 22545263 - 2⁶ = 22545199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22545253) 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, 14483 + ... + 15963.

It is an arithmetic number, because the mean of its divisors is an integer number (3039582).

Almost surely, 2^22545263 is an apocalyptic number.

22545263 is a deficient number, since it is larger than the sum of its proper divisors (1771393).

22545263 is a wasteful number, since it uses less digits than its factorization.

22545263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665.

The product of its digits is 14400, while the sum is 29.

The square root of 22545263 is about 4748.1852322756. The cubic root of 22545263 is about 282.4999890359.

Adding to 22545263 its reverse (36254522), we get a palindrome (58799785).

The spelling of 22545263 in words is "twenty-two million, five hundred forty-five thousand, two hundred sixty-three".