22745203 has 6 divisors (see below), whose sum is σ = 24629604. Its totient is φ = 20995416.

The previous prime is 22745171. The next prime is 22745207. The reversal of 22745203 is 30254722.

It is not a de Polignac number, because 22745203 - 2⁵ = 22745171 is a prime.

It is a super-2 number, since 2×22745203² = 1034688519022418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22745207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67125 + ... + 67462.

It is an arithmetic number, because the mean of its divisors is an integer number (4104934).

Almost surely, 2^22745203 is an apocalyptic number.

22745203 is a deficient number, since it is larger than the sum of its proper divisors (1884401).

22745203 is a wasteful number, since it uses less digits than its factorization.

22745203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134613 (or 134600 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 22745203 is about 4769.1931183377. The cubic root of 22745203 is about 283.3326383682.

Adding to 22745203 its reverse (30254722), we get a palindrome (52999925).

The spelling of 22745203 in words is "twenty-two million, seven hundred forty-five thousand, two hundred three".