22641045 has 32 divisors (see below), whose sum is σ = 41582592. Its totient is φ = 10304832.

The previous prime is 22641011. The next prime is 22641049. The reversal of 22641045 is 54014622.

It is not a de Polignac number, because 22641045 - 2¹² = 22636949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22641049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39934 + ... + 40496.

It is an arithmetic number, because the mean of its divisors is an integer number (1299456).

Almost surely, 2^22641045 is an apocalyptic number.

It is an amenable number.

22641045 is a deficient number, since it is larger than the sum of its proper divisors (18941547).

22641045 is a wasteful number, since it uses less digits than its factorization.

22641045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 22641045 is about 4758.2607116466. The cubic root of 22641045 is about 282.8994844204.

Adding to 22641045 its reverse (54014622), we get a palindrome (76655667).

The spelling of 22641045 in words is "twenty-two million, six hundred forty-one thousand, forty-five".