22225966 has 8 divisors (see below), whose sum is σ = 38101680. Its totient is φ = 9525408.

The previous prime is 22225963. The next prime is 22225967. The reversal of 22225966 is 66952222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22225963) 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, 793771 + ... + 793798.

It is an arithmetic number, because the mean of its divisors is an integer number (4762710).

Almost surely, 2^22225966 is an apocalyptic number.

22225966 is a deficient number, since it is larger than the sum of its proper divisors (15875714).

22225966 is a wasteful number, since it uses less digits than its factorization.

22225966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587578.

The product of its digits is 25920, while the sum is 34.

The square root of 22225966 is about 4714.4422787855. The cubic root of 22225966 is about 281.1600090031.

The spelling of 22225966 in words is "twenty-two million, two hundred twenty-five thousand, nine hundred sixty-six".