2287772 has 24 divisors (see below), whose sum is σ = 4198656. Its totient is φ = 1089648.

The previous prime is 2287739. The next prime is 2287777. The reversal of 2287772 is 2777822.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7943 + ... + 8225.

It is an arithmetic number, because the mean of its divisors is an integer number (174944).

2^2287772 is an apocalyptic number.

It is an amenable number.

2287772 is a deficient number, since it is larger than the sum of its proper divisors (1910884).

2287772 is a wasteful number, since it uses less digits than its factorization.

2287772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 375 counting only the distinct ones).

The product of its digits is 21952, while the sum is 35.

The square root of 2287772 is about 1512.5382639788. The cubic root of 2287772 is about 131.7662683482.

It can be divided in two parts, 228 and 7772, that added together give a cube (8000 = 20³).

The spelling of 2287772 in words is "two million, two hundred eighty-seven thousand, seven hundred seventy-two".