22648222 has 8 divisors (see below), whose sum is σ = 34015896. Its totient is φ = 11309592.

The previous prime is 22648201. The next prime is 22648237. The reversal of 22648222 is 22284622.

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

It is a super-3 number, since 3×22648222³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5193 + ... + 8500.

It is an arithmetic number, because the mean of its divisors is an integer number (4251987).

Almost surely, 2^22648222 is an apocalyptic number.

22648222 is a deficient number, since it is larger than the sum of its proper divisors (11367674).

22648222 is a wasteful number, since it uses less digits than its factorization.

22648222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14522.

The product of its digits is 6144, while the sum is 28.

The square root of 22648222 is about 4759.0148140135. The cubic root of 22648222 is about 282.9293734281.

The spelling of 22648222 in words is "twenty-two million, six hundred forty-eight thousand, two hundred twenty-two".