2245623 has 4 divisors (see below), whose sum is σ = 2994168. Its totient is φ = 1497080.

The previous prime is 2245619. The next prime is 2245627. The reversal of 2245623 is 3265422.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2245619) and next prime (2245627).

It is a cyclic number.

It is not a de Polignac number, because 2245623 - 2² = 2245619 is a prime.

It is a D-number.

2245623 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2245593 and 2245602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245627) 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, 374268 + ... + 374273.

It is an arithmetic number, because the mean of its divisors is an integer number (748542).

2^2245623 is an apocalyptic number.

2245623 is a deficient number, since it is larger than the sum of its proper divisors (748545).

2245623 is an equidigital number, since it uses as much as digits as its factorization.

2245623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748544.

The product of its digits is 2880, while the sum is 24.

The square root of 2245623 is about 1498.5402897487. The cubic root of 2245623 is about 130.9520442925.

The spelling of 2245623 in words is "two million, two hundred forty-five thousand, six hundred twenty-three".