198827722 has 8 divisors (see below), whose sum is σ = 298543716. Its totient is φ = 99313152.

The previous prime is 198827701. The next prime is 198827729. The reversal of 198827722 is 227728891.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 198556281 + 271441 = 14091^2 + 521^2 .

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

It is not an unprimeable number, because it can be changed into a prime (198827729) 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, 47863 + ... + 51850.

Almost surely, 2^198827722 is an apocalyptic number.

198827722 is a deficient number, since it is larger than the sum of its proper divisors (99715994).

198827722 is an equidigital number, since it uses as much as digits as its factorization.

198827722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100712.

The product of its digits is 225792, while the sum is 46.

The square root of 198827722 is about 14100.6284257121. The cubic root of 198827722 is about 583.6587207395.

The spelling of 198827722 in words is "one hundred ninety-eight million, eight hundred twenty-seven thousand, seven hundred twenty-two".