22505043 has 8 divisors (see below), whose sum is σ = 32734656. Its totient is φ = 13639400.

The previous prime is 22505033. The next prime is 22505047. The reversal of 22505043 is 34050522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22505043 - 2⁴ = 22505027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22505047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340953 + ... + 341018.

It is an arithmetic number, because the mean of its divisors is an integer number (4091832).

Almost surely, 2^22505043 is an apocalyptic number.

22505043 is a deficient number, since it is larger than the sum of its proper divisors (10229613).

22505043 is a wasteful number, since it uses less digits than its factorization.

22505043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681985.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 22505043 is about 4743.9480393444. The cubic root of 22505043 is about 282.3318988429.

Adding to 22505043 its reverse (34050522), we get a palindrome (56555565).

The spelling of 22505043 in words is "twenty-two million, five hundred five thousand, forty-three".