22230146 has 8 divisors (see below), whose sum is σ = 33369744. Its totient is φ = 11106900.

The previous prime is 22230119. The next prime is 22230149. The reversal of 22230146 is 64103222.

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

It is not an unprimeable number, because it can be changed into a prime (22230149) 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, 221 + ... + 6671.

It is an arithmetic number, because the mean of its divisors is an integer number (4171218).

Almost surely, 2^22230146 is an apocalyptic number.

22230146 is a deficient number, since it is larger than the sum of its proper divisors (11139598).

22230146 is a wasteful number, since it uses less digits than its factorization.

22230146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8176.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 22230146 is about 4714.8855765543. The cubic root of 22230146 is about 281.1776336614.

Adding to 22230146 its reverse (64103222), we get a palindrome (86333368).

The spelling of 22230146 in words is "twenty-two million, two hundred thirty thousand, one hundred forty-six".