22226612 has 6 divisors (see below), whose sum is σ = 38896578. Its totient is φ = 11113304.

The previous prime is 22226591. The next prime is 22226627. The reversal of 22226612 is 21662222.

It can be written as a sum of positive squares in only one way, i.e., 19749136 + 2477476 = 4444^2 + 1574^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2778323 + ... + 2778330.

It is an arithmetic number, because the mean of its divisors is an integer number (6482763).

Almost surely, 2^22226612 is an apocalyptic number.

It is an amenable number.

22226612 is a deficient number, since it is larger than the sum of its proper divisors (16669966).

22226612 is a wasteful number, since it uses less digits than its factorization.

22226612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5556657 (or 5556655 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 22226612 is about 4714.5107911638. The cubic root of 22226612 is about 281.1627329583.

Adding to 22226612 its reverse (21662222), we get a palindrome (43888834).

The spelling of 22226612 in words is "twenty-two million, two hundred twenty-six thousand, six hundred twelve".