2276623 has 4 divisors (see below), whose sum is σ = 2410560. Its totient is φ = 2142688.

The previous prime is 2276591. The next prime is 2276629. The reversal of 2276623 is 3266722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3266722 = 2 ⋅1633361.

It is a cyclic number.

It is not a de Polignac number, because 2276623 - 2⁵ = 2276591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2276591 and 2276600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2276629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66943 + ... + 66976.

It is an arithmetic number, because the mean of its divisors is an integer number (602640).

2^2276623 is an apocalyptic number.

2276623 is a deficient number, since it is larger than the sum of its proper divisors (133937).

2276623 is a wasteful number, since it uses less digits than its factorization.

2276623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133936.

The product of its digits is 6048, while the sum is 28.

The square root of 2276623 is about 1508.8482362385. The cubic root of 2276623 is about 131.5518741688.

Subtracting 2276623 from its reverse (3266722), we obtain a palindrome (990099).

The spelling of 2276623 in words is "two million, two hundred seventy-six thousand, six hundred twenty-three".