22448042 has 8 divisors (see below), whose sum is σ = 33898500. Its totient is φ = 11148544.

The previous prime is 22448009. The next prime is 22448051. The reversal of 22448042 is 24084422.

It can be written as a sum of positive squares in 2 ways, for example, as 18241441 + 4206601 = 4271^2 + 2051^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 37367 + ... + 37962.

Almost surely, 2^22448042 is an apocalyptic number.

22448042 is a deficient number, since it is larger than the sum of its proper divisors (11450458).

22448042 is a wasteful number, since it uses less digits than its factorization.

22448042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75480.

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 22448042 is about 4737.9364706589. The cubic root of 22448042 is about 282.0933329546.

The spelling of 22448042 in words is "twenty-two million, four hundred forty-eight thousand, forty-two".