22749214 has 8 divisors (see below), whose sum is σ = 34178040. Its totient is φ = 11356536.

The previous prime is 22749203. The next prime is 22749239. The reversal of 22749214 is 41294722.

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

It is a congruent number.

It is an unprimeable number.

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, 7404 + ... + 10015.

It is an arithmetic number, because the mean of its divisors is an integer number (4272255).

Almost surely, 2^22749214 is an apocalyptic number.

22749214 is a deficient number, since it is larger than the sum of its proper divisors (11428826).

22749214 is a wasteful number, since it uses less digits than its factorization.

22749214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18074.

The product of its digits is 8064, while the sum is 31.

The square root of 22749214 is about 4769.6136111849. The cubic root of 22749214 is about 283.3492921422.

The spelling of 22749214 in words is "twenty-two million, seven hundred forty-nine thousand, two hundred fourteen".