22247396 has 6 divisors (see below), whose sum is σ = 38932950. Its totient is φ = 11123696.

The previous prime is 22247387. The next prime is 22247431. The reversal of 22247396 is 69374222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22221796 + 25600 = 4714^2 + 160^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780921 + ... + 2780928.

It is an arithmetic number, because the mean of its divisors is an integer number (6488825).

Almost surely, 2^22247396 is an apocalyptic number.

It is an amenable number.

22247396 is a deficient number, since it is larger than the sum of its proper divisors (16685554).

22247396 is a wasteful number, since it uses less digits than its factorization.

22247396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561853 (or 5561851 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 22247396 is about 4716.7145345039. The cubic root of 22247396 is about 281.2503436374.

The spelling of 22247396 in words is "twenty-two million, two hundred forty-seven thousand, three hundred ninety-six".