22418230 has 16 divisors (see below), whose sum is σ = 41037840. Its totient is φ = 8815072.

The previous prime is 22418219. The next prime is 22418237. The reversal of 22418230 is 3281422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22418237) 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, 18409 + ... + 19588.

It is an arithmetic number, because the mean of its divisors is an integer number (2564865).

Almost surely, 2^22418230 is an apocalyptic number.

22418230 is a deficient number, since it is larger than the sum of its proper divisors (18619610).

22418230 is a wasteful number, since it uses less digits than its factorization.

22418230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38063.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 22418230 is about 4734.7893300547. The cubic root of 22418230 is about 281.9684001277.

Adding to 22418230 its reverse (3281422), we get a palindrome (25699652).

The spelling of 22418230 in words is "twenty-two million, four hundred eighteen thousand, two hundred thirty".