22570245 has 40 divisors (see below), whose sum is σ = 42235776. Its totient is φ = 11509344.

The previous prime is 22570211. The next prime is 22570253. The reversal of 22570245 is 54207522.

It is not a de Polignac number, because 22570245 - 2⁶ = 22570181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8104 + ... + 10526.

Almost surely, 2^22570245 is an apocalyptic number.

It is an amenable number.

22570245 is a deficient number, since it is larger than the sum of its proper divisors (19665531).

22570245 is a wasteful number, since it uses less digits than its factorization.

22570245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463 (or 2454 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 22570245 is about 4750.8151932063. The cubic root of 22570245 is about 282.6042949027.

Adding to 22570245 its reverse (54207522), we get a palindrome (76777767).

The spelling of 22570245 in words is "twenty-two million, five hundred seventy thousand, two hundred forty-five".