1022200198 has 4 divisors (see below), whose sum is σ = 1533300300. Its totient is φ = 511100098.

The previous prime is 1022200141. The next prime is 1022200219. The reversal of 1022200198 is 8910022201.

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, 255550048 + ... + 255550051.

It is an arithmetic number, because the mean of its divisors is an integer number (383325075).

Almost surely, 2^1022200198 is an apocalyptic number.

1022200198 is a deficient number, since it is larger than the sum of its proper divisors (511100102).

1022200198 is an equidigital number, since it uses as much as digits as its factorization.

1022200198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511100101.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1022200198 is about 31971.8657259785. The cubic root of 1022200198 is about 1007.3459705787.

Adding to 1022200198 its reverse (8910022201), we get a palindrome (9932222399).

The spelling of 1022200198 in words is "one billion, twenty-two million, two hundred thousand, one hundred ninety-eight".