12222774 has 24 divisors (see below), whose sum is σ = 26549640. Its totient is φ = 4063968.

The previous prime is 12222767. The next prime is 12222781. The reversal of 12222774 is 47722221.

It is an interprime number because it is at equal distance from previous prime (12222767) and next prime (12222781).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 10594 + ... + 11690.

It is an arithmetic number, because the mean of its divisors is an integer number (1106235).

Almost surely, 2^12222774 is an apocalyptic number.

12222774 is an abundant number, since it is smaller than the sum of its proper divisors (14326866).

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

12222774 is a wasteful number, since it uses less digits than its factorization.

12222774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724 (or 1721 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 12222774 is about 3496.1084079302. The cubic root of 12222774 is about 230.3509073282.

Adding to 12222774 its reverse (47722221), we get a palindrome (59944995).

It can be divided in two parts, 12222 and 774, that added together give a square (12996 = 114²).

The spelling of 12222774 in words is "twelve million, two hundred twenty-two thousand, seven hundred seventy-four".