22267198 has 4 divisors (see below), whose sum is σ = 33400800. Its totient is φ = 11133598.

The previous prime is 22267159. The next prime is 22267241. The reversal of 22267198 is 89176222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89176222 = 2 ⋅44588111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5566798 + ... + 5566801.

It is an arithmetic number, because the mean of its divisors is an integer number (8350200).

Almost surely, 2^22267198 is an apocalyptic number.

22267198 is a deficient number, since it is larger than the sum of its proper divisors (11133602).

22267198 is a wasteful number, since it uses less digits than its factorization.

22267198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11133601.

The product of its digits is 24192, while the sum is 37.

The square root of 22267198 is about 4718.8131982523. The cubic root of 22267198 is about 281.3337641531. Note that the first 3 decimals are identical.

The spelling of 22267198 in words is "twenty-two million, two hundred sixty-seven thousand, one hundred ninety-eight".