22447322 has 8 divisors (see below), whose sum is σ = 35443200. Its totient is φ = 10632924.

The previous prime is 22447319. The next prime is 22447339. The reversal of 22447322 is 22374422.

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

It is a junction number, because it is equal to n+sod(n) for n = 22447291 and 22447300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295322 + ... + 295397.

It is an arithmetic number, because the mean of its divisors is an integer number (4430400).

Almost surely, 2^22447322 is an apocalyptic number.

22447322 is a deficient number, since it is larger than the sum of its proper divisors (12995878).

22447322 is a wasteful number, since it uses less digits than its factorization.

22447322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590740.

The product of its digits is 5376, while the sum is 26.

The square root of 22447322 is about 4737.8604876041. The cubic root of 22447322 is about 282.0903169622.

Subtracting from 22447322 its reverse (22374422), we obtain a square (72900 = 270²).

The spelling of 22447322 in words is "twenty-two million, four hundred forty-seven thousand, three hundred twenty-two".