2194081442 has 16 divisors (see below), whose sum is σ = 3762024000. Its totient is φ = 940135248.

The previous prime is 2194081429. The next prime is 2194081459. The reversal of 2194081442 is 2441804912.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77309 + ... + 101807.

It is an arithmetic number, because the mean of its divisors is an integer number (235126500).

Almost surely, 2^2194081442 is an apocalyptic number.

2194081442 is a deficient number, since it is larger than the sum of its proper divisors (1567942558).

2194081442 is a wasteful number, since it uses less digits than its factorization.

2194081442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30905.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 2194081442 is about 46841.0230673925. The cubic root of 2194081442 is about 1299.4240924418.

The spelling of 2194081442 in words is "two billion, one hundred ninety-four million, eighty-one thousand, four hundred forty-two".