2273655 has 16 divisors (see below), whose sum is σ = 3727584. Its totient is φ = 1182720.

The previous prime is 2273651. The next prime is 2273659. The reversal of 2273655 is 5563722.

It is an interprime number because it is at equal distance from previous prime (2273651) and next prime (2273659).

It is not a de Polignac number, because 2273655 - 2² = 2273651 is a prime.

2273655 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273651) 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, 1234 + ... + 2463.

It is an arithmetic number, because the mean of its divisors is an integer number (232974).

2^2273655 is an apocalyptic number.

2273655 is a deficient number, since it is larger than the sum of its proper divisors (1453929).

2273655 is a wasteful number, since it uses less digits than its factorization.

2273655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3746.

The product of its digits is 12600, while the sum is 30.

The square root of 2273655 is about 1507.8643838224. The cubic root of 2273655 is about 131.4946818920.

It can be divided in two parts, 22736 and 55, that added together give a triangular number (22791 = T₂₁₃).

The spelling of 2273655 in words is "two million, two hundred seventy-three thousand, six hundred fifty-five".