2195772 has 12 divisors (see below), whose sum is σ = 5123496. Its totient is φ = 731920.

The previous prime is 2195759. The next prime is 2195777. The reversal of 2195772 is 2775912.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91479 + ... + 91502.

It is an arithmetic number, because the mean of its divisors is an integer number (426958).

2^2195772 is an apocalyptic number.

It is an amenable number.

2195772 is an abundant number, since it is smaller than the sum of its proper divisors (2927724).

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

2195772 is a wasteful number, since it uses less digits than its factorization.

2195772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182988 (or 182986 counting only the distinct ones).

The product of its digits is 8820, while the sum is 33.

The square root of 2195772 is about 1481.8137534792. The cubic root of 2195772 is about 129.9757745786.

The spelling of 2195772 in words is "two million, one hundred ninety-five thousand, seven hundred seventy-two".