22532003 has 4 divisors (see below), whose sum is σ = 24265248. Its totient is φ = 20798760.

The previous prime is 22531991. The next prime is 22532017. The reversal of 22532003 is 30023522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22532003 - 2⁶ = 22531939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22532023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866603 + ... + 866628.

It is an arithmetic number, because the mean of its divisors is an integer number (6066312).

Almost surely, 2^22532003 is an apocalyptic number.

22532003 is a deficient number, since it is larger than the sum of its proper divisors (1733245).

22532003 is a wasteful number, since it uses less digits than its factorization.

22532003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733244.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 22532003 is about 4746.7887039555. The cubic root of 22532003 is about 282.4445940366. Note that the first 3 decimals are identical.

Adding to 22532003 its reverse (30023522), we get a palindrome (52555525).

The spelling of 22532003 in words is "twenty-two million, five hundred thirty-two thousand, three".