198202270 has 64 divisors (see below), whose sum is σ = 427908096. Its totient is φ = 64627200.

The previous prime is 198202261. The next prime is 198202283. The reversal of 198202270 is 72202891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494070 + ... + 494470.

It is an arithmetic number, because the mean of its divisors is an integer number (6686064).

Almost surely, 2^198202270 is an apocalyptic number.

198202270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198202270 is an abundant number, since it is smaller than the sum of its proper divisors (229705826).

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

198202270 is a wasteful number, since it uses less digits than its factorization.

198202270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 198202270 is about 14078.4327963023. The cubic root of 198202270 is about 583.0460731663.

The spelling of 198202270 in words is "one hundred ninety-eight million, two hundred two thousand, two hundred seventy".