22227276 has 12 divisors (see below), whose sum is σ = 51863672. Its totient is φ = 7409088.

The previous prime is 22227229. The next prime is 22227277. The reversal of 22227276 is 67272222.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (22227277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926125 + ... + 926148.

Almost surely, 2^22227276 is an apocalyptic number.

It is an amenable number.

22227276 is an abundant number, since it is smaller than the sum of its proper divisors (29636396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22227276 is a wasteful number, since it uses less digits than its factorization.

22227276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852280 (or 1852278 counting only the distinct ones).

The product of its digits is 9408, while the sum is 30.

The square root of 22227276 is about 4714.5812115182. The cubic root of 22227276 is about 281.1655327581.

Adding to 22227276 its reverse (67272222), we get a palindrome (89499498).

The spelling of 22227276 in words is "twenty-two million, two hundred twenty-seven thousand, two hundred seventy-six".