22249733 has 8 divisors (see below), whose sum is σ = 24546240. Its totient is φ = 19998880.

The previous prime is 22249709. The next prime is 22249783. The reversal of 22249733 is 33794222.

It is a happy number.

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

It is not a de Polignac number, because 22249733 - 2²⁰ = 21201157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22249733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22249783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10385 + ... + 12342.

It is an arithmetic number, because the mean of its divisors is an integer number (3068280).

Almost surely, 2^22249733 is an apocalyptic number.

It is an amenable number.

22249733 is a deficient number, since it is larger than the sum of its proper divisors (2296507).

22249733 is a wasteful number, since it uses less digits than its factorization.

22249733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22827.

The product of its digits is 18144, while the sum is 32.

The square root of 22249733 is about 4716.9622640000. The cubic root of 22249733 is about 281.2601913673.

The spelling of 22249733 in words is "twenty-two million, two hundred forty-nine thousand, seven hundred thirty-three".