22749382 has 4 divisors (see below), whose sum is σ = 34124076. Its totient is φ = 11374690.

The previous prime is 22749373. The next prime is 22749409. The reversal of 22749382 is 28394722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28394722 = 2 ⋅14197361.

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 as a sum of consecutive naturals, namely, 5687344 + ... + 5687347.

It is an arithmetic number, because the mean of its divisors is an integer number (8531019).

Almost surely, 2^22749382 is an apocalyptic number.

22749382 is a deficient number, since it is larger than the sum of its proper divisors (11374694).

22749382 is a wasteful number, since it uses less digits than its factorization.

22749382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11374693.

The product of its digits is 48384, while the sum is 37.

The square root of 22749382 is about 4769.6312226419. The cubic root of 22749382 is about 283.3499896398.

The spelling of 22749382 in words is "twenty-two million, seven hundred forty-nine thousand, three hundred eighty-two".