2194072 has 8 divisors (see below), whose sum is σ = 4113900. Its totient is φ = 1097032.

The previous prime is 2194069. The next prime is 2194133. The reversal of 2194072 is 2704912.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137122 + ... + 137137.

2^2194072 is an apocalyptic number.

It is an amenable number.

2194072 is a deficient number, since it is larger than the sum of its proper divisors (1919828).

2194072 is a wasteful number, since it uses less digits than its factorization.

2194072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274265 (or 274261 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2194072 is about 1481.2400210634. The cubic root of 2194072 is about 129.9422228461.

Adding to 2194072 its reverse (2704912), we get a palindrome (4898984).

The spelling of 2194072 in words is "two million, one hundred ninety-four thousand, seventy-two".