22302194 has 8 divisors (see below), whose sum is σ = 34357548. Its totient is φ = 10849680.

The previous prime is 22302193. The next prime is 22302197. The reversal of 22302194 is 49120322.

It can be written as a sum of positive squares in 2 ways, for example, as 17181025 + 5121169 = 4145^2 + 2263^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22302193) by changing a digit.

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, 150617 + ... + 150764.

Almost surely, 2^22302194 is an apocalyptic number.

22302194 is a deficient number, since it is larger than the sum of its proper divisors (12055354).

22302194 is a wasteful number, since it uses less digits than its factorization.

22302194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301420.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 22302194 is about 4722.5198782006. The cubic root of 22302194 is about 281.4810720605.

The spelling of 22302194 in words is "twenty-two million, three hundred two thousand, one hundred ninety-four".