22202198 has 4 divisors (see below), whose sum is σ = 33303300. Its totient is φ = 11101098.

The previous prime is 22202137. The next prime is 22202209. The reversal of 22202198 is 89120222.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5550548 + ... + 5550551.

It is an arithmetic number, because the mean of its divisors is an integer number (8325825).

Almost surely, 2^22202198 is an apocalyptic number.

22202198 is a deficient number, since it is larger than the sum of its proper divisors (11101102).

22202198 is a wasteful number, since it uses less digits than its factorization.

22202198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11101101.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 22202198 is about 4711.9208397425. The cubic root of 22202198 is about 281.0597509746.

The spelling of 22202198 in words is "twenty-two million, two hundred two thousand, one hundred ninety-eight".