22240994 has 8 divisors (see below), whose sum is σ = 33927120. Its totient is φ = 10931956.

The previous prime is 22240987. The next prime is 22240997. The reversal of 22240994 is 49904222.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22240994.

It is not an unprimeable number, because it can be changed into a prime (22240997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94124 + ... + 94359.

It is an arithmetic number, because the mean of its divisors is an integer number (4240890).

Almost surely, 2^22240994 is an apocalyptic number.

22240994 is a deficient number, since it is larger than the sum of its proper divisors (11686126).

22240994 is a wasteful number, since it uses less digits than its factorization.

22240994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188544.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 22240994 is about 4716.0358353176. The cubic root of 22240994 is about 281.2233631399.

The spelling of 22240994 in words is "twenty-two million, two hundred forty thousand, nine hundred ninety-four".