2331220198 has 8 divisors (see below), whose sum is σ = 3498068808. Its totient is φ = 1165197264.

The previous prime is 2331220193. The next prime is 2331220201. The reversal of 2331220198 is 8910221332.

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

It is a super-2 number, since 2×2331220198² = 10869175223126318408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331220193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199311 + ... + 210682.

It is an arithmetic number, because the mean of its divisors is an integer number (437258601).

Almost surely, 2^2331220198 is an apocalyptic number.

2331220198 is a deficient number, since it is larger than the sum of its proper divisors (1166848610).

2331220198 is a wasteful number, since it uses less digits than its factorization.

2331220198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412838.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 2331220198 is about 48282.7111707700. The cubic root of 2331220198 is about 1325.9518871121.

The spelling of 2331220198 in words is "two billion, three hundred thirty-one million, two hundred twenty thousand, one hundred ninety-eight".