22047118 has 8 divisors (see below), whose sum is σ = 33219648. Its totient is φ = 10973904.

The previous prime is 22047097. The next prime is 22047119. The reversal of 22047118 is 81174022.

It is a happy number.

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 = 22047092 and 22047101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22047119) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 24271 + ... + 25162.

It is an arithmetic number, because the mean of its divisors is an integer number (4152456).

Almost surely, 2^22047118 is an apocalyptic number.

22047118 is a deficient number, since it is larger than the sum of its proper divisors (11172530).

22047118 is a wasteful number, since it uses less digits than its factorization.

22047118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49658.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 22047118 is about 4695.4358690115. The cubic root of 22047118 is about 280.4038305599.

The spelling of 22047118 in words is "twenty-two million, forty-seven thousand, one hundred eighteen".