2194152198 has 16 divisors (see below), whose sum is σ = 5015205120. Its totient is φ = 626900616.

The previous prime is 2194152173. The next prime is 2194152199. The reversal of 2194152198 is 8912514912.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 52241719 = 2194152198 / (2 + 1 + 9 + 4 + 1 + 5 + 2 + 1 + 9 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194152199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26120818 + ... + 26120901.

It is an arithmetic number, because the mean of its divisors is an integer number (313450320).

Almost surely, 2^2194152198 is an apocalyptic number.

2194152198 is an abundant number, since it is smaller than the sum of its proper divisors (2821052922).

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

2194152198 is a wasteful number, since it uses less digits than its factorization.

2194152198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52241731.

The product of its digits is 51840, while the sum is 42.

The square root of 2194152198 is about 46841.7783394269. The cubic root of 2194152198 is about 1299.4380604834.

The spelling of 2194152198 in words is "two billion, one hundred ninety-four million, one hundred fifty-two thousand, one hundred ninety-eight".