2265764 has 6 divisors (see below), whose sum is σ = 3965094. Its totient is φ = 1132880.

The previous prime is 2265761. The next prime is 2265779. The reversal of 2265764 is 4675622.

It can be written as a sum of positive squares in only one way, i.e., 1612900 + 652864 = 1270^2 + 808^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 2³ + 2¹³ + 6⁵ + 5⁹ + 7³ + 6⁷ + 4⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 2265764.

It is not an unprimeable number, because it can be changed into a prime (2265761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283217 + ... + 283224.

It is an arithmetic number, because the mean of its divisors is an integer number (660849).

2^2265764 is an apocalyptic number.

It is an amenable number.

2265764 is a deficient number, since it is larger than the sum of its proper divisors (1699330).

2265764 is a wasteful number, since it uses less digits than its factorization.

2265764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566445 (or 566443 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 2265764 is about 1505.2454949277. The cubic root of 2265764 is about 131.3423827297.

It can be divided in two parts, 226576 and 4, that multiplied together give a square (906304 = 952²).

The spelling of 2265764 in words is "two million, two hundred sixty-five thousand, seven hundred sixty-four".