22601045 has 12 divisors (see below), whose sum is σ = 27809220. Its totient is φ = 17633280.

The previous prime is 22601039. The next prime is 22601053. The reversal of 22601045 is 54010622.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 14569489 + 8031556 = 3817^2 + 2834^2 .

It is not a de Polignac number, because 22601045 - 2²⁰ = 21552469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7061 + ... + 9749.

It is an arithmetic number, because the mean of its divisors is an integer number (2317435).

Almost surely, 2^22601045 is an apocalyptic number.

It is an amenable number.

22601045 is a deficient number, since it is larger than the sum of its proper divisors (5208175).

22601045 is an equidigital number, since it uses as much as digits as its factorization.

22601045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776 (or 2735 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 22601045 is about 4754.0556370324. The cubic root of 22601045 is about 282.7327864328.

Adding to 22601045 its reverse (54010622), we get a palindrome (76611667).

The spelling of 22601045 in words is "twenty-two million, six hundred one thousand, forty-five".