22197332 has 12 divisors (see below), whose sum is σ = 38878560. Its totient is φ = 11089176.

The previous prime is 22197313. The next prime is 22197337. The reversal of 22197332 is 23379122.

It is a junction number, because it is equal to n+sod(n) for n = 22197295 and 22197304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22197337) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7019 + ... + 9677.

It is an arithmetic number, because the mean of its divisors is an integer number (3239880).

Almost surely, 2^22197332 is an apocalyptic number.

It is an amenable number.

22197332 is a deficient number, since it is larger than the sum of its proper divisors (16681228).

22197332 is a wasteful number, since it uses less digits than its factorization.

22197332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4750 (or 4748 counting only the distinct ones).

The product of its digits is 4536, while the sum is 29.

The square root of 22197332 is about 4711.4044615168. The cubic root of 22197332 is about 281.0392164210.

The spelling of 22197332 in words is "twenty-two million, one hundred ninety-seven thousand, three hundred thirty-two".