22148266 has 8 divisors (see below), whose sum is σ = 37968480. Its totient is φ = 9492108.

The previous prime is 22148249. The next prime is 22148267. The reversal of 22148266 is 66284122.

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

It is not an unprimeable number, because it can be changed into a prime (22148267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790996 + ... + 791023.

It is an arithmetic number, because the mean of its divisors is an integer number (4746060).

Almost surely, 2^22148266 is an apocalyptic number.

22148266 is a deficient number, since it is larger than the sum of its proper divisors (15820214).

22148266 is a wasteful number, since it uses less digits than its factorization.

22148266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582028.

The product of its digits is 9216, while the sum is 31.

The square root of 22148266 is about 4706.1944286228. The cubic root of 22148266 is about 280.8319896699.

The spelling of 22148266 in words is "twenty-two million, one hundred forty-eight thousand, two hundred sixty-six".