22729848 has 32 divisors (see below), whose sum is σ = 57393360. Its totient is φ = 7500800.

The previous prime is 22729829. The next prime is 22729859. The reversal of 22729848 is 84892722.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2265 + ... + 7112.

Almost surely, 2^22729848 is an apocalyptic number.

It is an amenable number.

22729848 is an abundant number, since it is smaller than the sum of its proper divisors (34663512).

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

22729848 is a wasteful number, since it uses less digits than its factorization.

22729848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9487 (or 9483 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 22729848 is about 4767.5830354594. The cubic root of 22729848 is about 283.2688659171.

The spelling of 22729848 in words is "twenty-two million, seven hundred twenty-nine thousand, eight hundred forty-eight".