2772250 has 32 divisors (see below), whose sum is σ = 5595408. Its totient is φ = 1022400.

The previous prime is 2772247. The next prime is 2772257. The reversal of 2772250 is 522772.

It can be written as a sum of positive squares in 8 ways, for example, as 221841 + 2550409 = 471^2 + 1597^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2824 + ... + 3676.

2^2772250 is an apocalyptic number.

2772250 is an abundant number, since it is smaller than the sum of its proper divisors (2823158).

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

2772250 is a wasteful number, since it uses less digits than its factorization.

2772250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 2772250 is about 1665.0075074906. The cubic root of 2772250 is about 140.4788027950.

Subtracting from 2772250 its sum of digits (25), we obtain a square (2772225 = 1665²).

It can be divided in two parts, 27722 and 50, that added together give a palindrome (27772).

The spelling of 2772250 in words is "two million, seven hundred seventy-two thousand, two hundred fifty".