2194002 has 12 divisors (see below), whose sum is σ = 4753710. Its totient is φ = 731328.

The previous prime is 2193979. The next prime is 2194013. The reversal of 2194002 is 2004912.

It can be written as a sum of positive squares in only one way, i.e., 2187441 + 6561 = 1479^2 + 81^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 121889 = 2194002 / (2 + 1 + 9 + 4 + 0 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60927 + ... + 60962.

2^2194002 is an apocalyptic number.

2194002 is an abundant number, since it is smaller than the sum of its proper divisors (2559708).

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

2194002 is a wasteful number, since it uses less digits than its factorization.

2194002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121897 (or 121894 counting only the distinct ones).

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

The square root of 2194002 is about 1481.2163920238. The cubic root of 2194002 is about 129.9408409327.

Adding to 2194002 its reverse (2004912), we get a palindrome (4198914).

The spelling of 2194002 in words is "two million, one hundred ninety-four thousand, two".