2200000194 has 48 divisors (see below), whose sum is σ = 5457471552. Its totient is φ = 627434784.

The previous prime is 2200000193. The next prime is 2200000199. The reversal of 2200000194 is 4910000022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2200000193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55432 + ... + 86444.

It is an arithmetic number, because the mean of its divisors is an integer number (113697324).

Almost surely, 2^2200000194 is an apocalyptic number.

2200000194 is an abundant number, since it is smaller than the sum of its proper divisors (3257471358).

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

2200000194 is a wasteful number, since it uses less digits than its factorization.

2200000194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31591 (or 31588 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2200000194 is about 46904.1596662812. The cubic root of 2200000194 is about 1300.5914850809.

The spelling of 2200000194 in words is "two billion, two hundred million, one hundred ninety-four", and thus it is an aban number.