1222352198 has 4 divisors (see below), whose sum is σ = 1833528300. Its totient is φ = 611176098.

The previous prime is 1222352189. The next prime is 1222352237. The reversal of 1222352198 is 8912532221.

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

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, 305588048 + ... + 305588051.

It is an arithmetic number, because the mean of its divisors is an integer number (458382075).

Almost surely, 2^1222352198 is an apocalyptic number.

1222352198 is a deficient number, since it is larger than the sum of its proper divisors (611176102).

1222352198 is an equidigital number, since it uses as much as digits as its factorization.

1222352198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611176101.

The product of its digits is 17280, while the sum is 35.

The square root of 1222352198 is about 34962.1537952112. The cubic root of 1222352198 is about 1069.2160088161.

The spelling of 1222352198 in words is "one billion, two hundred twenty-two million, three hundred fifty-two thousand, one hundred ninety-eight".