22354045 has 24 divisors (see below), whose sum is σ = 32569344. Its totient is φ = 14658336.

The previous prime is 22354039. The next prime is 22354049. The reversal of 22354045 is 54045322.

It is not a de Polignac number, because 22354045 - 2³ = 22354037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22354049) 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 23 ways as a sum of consecutive naturals, for example, 3652 + ... + 7618.

It is an arithmetic number, because the mean of its divisors is an integer number (1357056).

Almost surely, 2^22354045 is an apocalyptic number.

It is an amenable number.

22354045 is a deficient number, since it is larger than the sum of its proper divisors (10215299).

22354045 is a wasteful number, since it uses less digits than its factorization.

22354045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009 (or 4002 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 22354045 is about 4728.0064509262. The cubic root of 22354045 is about 281.6990443195.

Adding to 22354045 its reverse (54045322), we get a palindrome (76399367).

The spelling of 22354045 in words is "twenty-two million, three hundred fifty-four thousand, forty-five".