2297772 has 36 divisors (see below), whose sum is σ = 5885880. Its totient is φ = 755712.

The previous prime is 2297761. The next prime is 2297777. The reversal of 2297772 is 2777922.

2297772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2297777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2604 + ... + 3372.

2^2297772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2297772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2942940).

2297772 is an abundant number, since it is smaller than the sum of its proper divisors (3588108).

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

2297772 is a wasteful number, since it uses less digits than its factorization.

2297772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862 (or 857 counting only the distinct ones).

The product of its digits is 24696, while the sum is 36.

The square root of 2297772 is about 1515.8403609879. The cubic root of 2297772 is about 131.9579756030.

It can be divided in two parts, 229 and 7772, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 2297772 in words is "two million, two hundred ninety-seven thousand, seven hundred seventy-two".