22463145 has 12 divisors (see below), whose sum is σ = 38936196. Its totient is φ = 11980320.

The previous prime is 22463143. The next prime is 22463173. The reversal of 22463145 is 54136422.

22463145 is a `hidden beast` number, since 2 + 24 + 631 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2509056 + 19954089 = 1584^2 + 4467^2 .

It is not a de Polignac number, because 22463145 - 2¹ = 22463143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22463141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249546 + ... + 249635.

It is an arithmetic number, because the mean of its divisors is an integer number (3244683).

Almost surely, 2^22463145 is an apocalyptic number.

It is an amenable number.

22463145 is a deficient number, since it is larger than the sum of its proper divisors (16473051).

22463145 is a wasteful number, since it uses less digits than its factorization.

22463145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499192 (or 499189 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 22463145 is about 4739.5300399934. The cubic root of 22463145 is about 282.1565827247.

Adding to 22463145 its reverse (54136422), we get a palindrome (76599567).

It can be divided in two parts, 224631 and 45, that added together give a square (224676 = 474²).

The spelling of 22463145 in words is "twenty-two million, four hundred sixty-three thousand, one hundred forty-five".