22249338 has 8 divisors (see below), whose sum is σ = 44498688. Its totient is φ = 7416444.

The previous prime is 22249333. The next prime is 22249343. The reversal of 22249338 is 83394222.

It is an interprime number because it is at equal distance from previous prime (22249333) and next prime (22249343).

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

22249338 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22249299 and 22249308.

It is not an unprimeable number, because it can be changed into a prime (22249333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1854106 + ... + 1854117.

It is an arithmetic number, because the mean of its divisors is an integer number (5562336).

Almost surely, 2^22249338 is an apocalyptic number.

22249338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22249338 is a wasteful number, since it uses less digits than its factorization.

22249338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708228.

The product of its digits is 20736, while the sum is 33.

The square root of 22249338 is about 4716.9203936467. The cubic root of 22249338 is about 281.2585269514.

The spelling of 22249338 in words is "twenty-two million, two hundred forty-nine thousand, three hundred thirty-eight".