22040198 has 8 divisors (see below), whose sum is σ = 33353208. Its totient is φ = 10922464.

The previous prime is 22040191. The next prime is 22040219. The reversal of 22040198 is 89104022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040191) 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, 48536 + ... + 48987.

It is an arithmetic number, because the mean of its divisors is an integer number (4169151).

Almost surely, 2^22040198 is an apocalyptic number.

22040198 is a deficient number, since it is larger than the sum of its proper divisors (11313010).

22040198 is a wasteful number, since it uses less digits than its factorization.

22040198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97638.

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

The square root of 22040198 is about 4694.6989253838. The cubic root of 22040198 is about 280.3744904052.

The spelling of 22040198 in words is "twenty-two million, forty thousand, one hundred ninety-eight".