22748338 has 8 divisors (see below), whose sum is σ = 34213680. Its totient is φ = 11343780.

The previous prime is 22748321. The next prime is 22748347. The reversal of 22748338 is 83384722.

It is a happy number.

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

22748338 is a modest number, since divided by 8338 gives 2274 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 22748297 and 22748306.

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, 14248 + ... + 15763.

It is an arithmetic number, because the mean of its divisors is an integer number (4276710).

Almost surely, 2^22748338 is an apocalyptic number.

22748338 is a deficient number, since it is larger than the sum of its proper divisors (11465342).

22748338 is a wasteful number, since it uses less digits than its factorization.

22748338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30392.

The product of its digits is 64512, while the sum is 37.

The square root of 22748338 is about 4769.5217789628. The cubic root of 22748338 is about 283.3456551350.

It can be divided in two parts, 2 and 2748338, that added together give a triangular number (2748340 = T₂₃₄₄).

The spelling of 22748338 in words is "twenty-two million, seven hundred forty-eight thousand, three hundred thirty-eight".