12222884 has 6 divisors (see below), whose sum is σ = 21390054. Its totient is φ = 6111440.

The previous prime is 12222869. The next prime is 12222911. The reversal of 12222884 is 48822221.

It can be written as a sum of positive squares in only one way, i.e., 12054784 + 168100 = 3472^2 + 410^2 .

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1527857 + ... + 1527864.

It is an arithmetic number, because the mean of its divisors is an integer number (3565009).

Almost surely, 2^12222884 is an apocalyptic number.

It is an amenable number.

12222884 is a deficient number, since it is larger than the sum of its proper divisors (9167170).

12222884 is a wasteful number, since it uses less digits than its factorization.

12222884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055725 (or 3055723 counting only the distinct ones).

The product of its digits is 4096, while the sum is 29.

The square root of 12222884 is about 3496.1241396724. The cubic root of 12222884 is about 230.3515983476.

The spelling of 12222884 in words is "twelve million, two hundred twenty-two thousand, eight hundred eighty-four".