27222198 has 8 divisors (see below), whose sum is σ = 54444408. Its totient is φ = 9074064.

The previous prime is 27222197. The next prime is 27222199. The reversal of 27222198 is 89122272.

It is an interprime number because it is at equal distance from previous prime (27222197) and next prime (27222199).

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

27222198 is an admirable number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27222197) 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, 2268511 + ... + 2268522.

It is an arithmetic number, because the mean of its divisors is an integer number (6805551).

Almost surely, 2^27222198 is an apocalyptic number.

27222198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27222198 is a wasteful number, since it uses less digits than its factorization.

27222198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537038.

The product of its digits is 8064, while the sum is 33.

The square root of 27222198 is about 5217.4896262475. The cubic root of 27222198 is about 300.8207083011.

The spelling of 27222198 in words is "twenty-seven million, two hundred twenty-two thousand, one hundred ninety-eight".