12222976 has 20 divisors (see below), whose sum is σ = 24423102. Its totient is φ = 6111232.

The previous prime is 12222967. The next prime is 12222979. The reversal of 12222976 is 67922221.

It can be written as a sum of positive squares in only one way, i.e., 11833600 + 389376 = 3440^2 + 624^2 .

It is a super-2 number, since 2×12222976² = 298802284593152, which contains 22 as substring.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12222979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11425 + ... + 12448.

Almost surely, 2^12222976 is an apocalyptic number.

12222976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12222976 is a deficient number, since it is larger than the sum of its proper divisors (12200126).

12222976 is an frugal number, since it uses more digits than its factorization.

12222976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23891 (or 23875 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 12222976 is about 3496.1372970752. The cubic root of 12222976 is about 230.3521762880.

The spelling of 12222976 in words is "twelve million, two hundred twenty-two thousand, nine hundred seventy-six".