2249630 has 16 divisors (see below), whose sum is σ = 4225824. Its totient is φ = 860640.

The previous prime is 2249609. The next prime is 2249633. The reversal of 2249630 is 369422.

2249630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2249630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4661 + ... + 5120.

It is an arithmetic number, because the mean of its divisors is an integer number (264114).

2^2249630 is an apocalyptic number.

2249630 is a deficient number, since it is larger than the sum of its proper divisors (1976194).

2249630 is a wasteful number, since it uses less digits than its factorization.

2249630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9811.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2249630 is about 1499.8766615959. The cubic root of 2249630 is about 131.0298865440.

The spelling of 2249630 in words is "two million, two hundred forty-nine thousand, six hundred thirty".