22194002 has 8 divisors (see below), whose sum is σ = 33320700. Its totient is φ = 11087104.

The previous prime is 22194001. The next prime is 22194013. The reversal of 22194002 is 20049122.

It can be written as a sum of positive squares in 2 ways, for example, as 22174681 + 19321 = 4709^2 + 139^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22194001) 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, 1727 + ... + 6882.

Almost surely, 2^22194002 is an apocalyptic number.

22194002 is a deficient number, since it is larger than the sum of its proper divisors (11126698).

22194002 is a wasteful number, since it uses less digits than its factorization.

22194002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9900.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 22194002 is about 4711.0510504557. The cubic root of 22194002 is about 281.0251620684.

The spelling of 22194002 in words is "twenty-two million, one hundred ninety-four thousand, two".