2245503 has 24 divisors (see below), whose sum is σ = 3349632. Its totient is φ = 1336608.

The previous prime is 2245501. The next prime is 2245541. The reversal of 2245503 is 3055422.

It is not a de Polignac number, because 2245503 - 2¹ = 2245501 is a prime.

It is an Ulam number.

It is the 1499-th Hogben number.

It is a self number, because there is not a number n which added to its sum of digits gives 2245503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245501) by changing a digit.

It is a nontrivial repunit in base 1498.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21750 + ... + 21852.

It is an arithmetic number, because the mean of its divisors is an integer number (139568).

2^2245503 is an apocalyptic number.

2245503 is a deficient number, since it is larger than the sum of its proper divisors (1104129).

2245503 is a wasteful number, since it uses less digits than its factorization.

2245503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 2245503 is about 1498.5002502502. The cubic root of 2245503 is about 130.9497116769.

The spelling of 2245503 in words is "two million, two hundred forty-five thousand, five hundred three".