22453545 has 16 divisors (see below), whose sum is σ = 36691200. Its totient is φ = 11720064.

The previous prime is 22453523. The next prime is 22453547. The reversal of 22453545 is 54535422.

It is not a de Polignac number, because 22453545 - 2⁸ = 22453289 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22453547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15220 + ... + 16629.

It is an arithmetic number, because the mean of its divisors is an integer number (2293200).

Almost surely, 2^22453545 is an apocalyptic number.

It is an amenable number.

22453545 is a deficient number, since it is larger than the sum of its proper divisors (14237655).

22453545 is a wasteful number, since it uses less digits than its factorization.

22453545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31904.

The product of its digits is 24000, while the sum is 30.

The square root of 22453545 is about 4738.5171731249. The cubic root of 22453545 is about 282.1163822222.

Adding to 22453545 its reverse (54535422), we get a palindrome (76988967).

The spelling of 22453545 in words is "twenty-two million, four hundred fifty-three thousand, five hundred forty-five".