2198020231 has 8 divisors (see below), whose sum is σ = 2502094464. Its totient is φ = 1911321720.

The previous prime is 2198020177. The next prime is 2198020243. The reversal of 2198020231 is 1320208912.

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

It is not a de Polignac number, because 2198020231 - 2¹¹ = 2198018183 is a prime.

It is a super-2 number, since 2×2198020231² = 9662585871770586722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2198020231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198023231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4343661 + ... + 4344166.

It is an arithmetic number, because the mean of its divisors is an integer number (312761808).

Almost surely, 2^2198020231 is an apocalyptic number.

2198020231 is a deficient number, since it is larger than the sum of its proper divisors (304074233).

2198020231 is a wasteful number, since it uses less digits than its factorization.

2198020231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8687861.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2198020231 is about 46883.0484397079. The cubic root of 2198020231 is about 1300.2011978536.

The spelling of 2198020231 in words is "two billion, one hundred ninety-eight million, twenty thousand, two hundred thirty-one".