22434545 has 48 divisors (see below), whose sum is σ = 34318080. Its totient is φ = 13749120.

The previous prime is 22434539. The next prime is 22434547. The reversal of 22434545 is 54543422.

It is not a de Polignac number, because 22434545 - 2²⁴ = 5657329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22434547) 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 47 ways as a sum of consecutive naturals, for example, 723680 + ... + 723710.

It is an arithmetic number, because the mean of its divisors is an integer number (714960).

Almost surely, 2^22434545 is an apocalyptic number.

It is an amenable number.

22434545 is a deficient number, since it is larger than the sum of its proper divisors (11883535).

22434545 is a wasteful number, since it uses less digits than its factorization.

22434545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 95 counting only the distinct ones).

The product of its digits is 19200, while the sum is 29.

The square root of 22434545 is about 4736.5119022335. The cubic root of 22434545 is about 282.0367849337.

Adding to 22434545 its reverse (54543422), we get a palindrome (76977967).

The spelling of 22434545 in words is "twenty-two million, four hundred thirty-four thousand, five hundred forty-five".