22230045 has 40 divisors (see below), whose sum is σ = 40249440. Its totient is φ = 11737440.

The previous prime is 22230023. The next prime is 22230049. The reversal of 22230045 is 54003222.

It is not a de Polignac number, because 22230045 - 2¹³ = 22221853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230049) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 52846 + ... + 53264.

It is an arithmetic number, because the mean of its divisors is an integer number (1006236).

Almost surely, 2^22230045 is an apocalyptic number.

It is an amenable number.

22230045 is a deficient number, since it is larger than the sum of its proper divisors (18019395).

22230045 is a wasteful number, since it uses less digits than its factorization.

22230045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 22230045 is about 4714.8748657838. The cubic root of 22230045 is about 281.1772078285.

Adding to 22230045 its reverse (54003222), we get a palindrome (76233267).

The spelling of 22230045 in words is "twenty-two million, two hundred thirty thousand, forty-five".