2240945 has 16 divisors (see below), whose sum is σ = 3146880. Its totient is φ = 1499904.

The previous prime is 2240941. The next prime is 2240951. The reversal of 2240945 is 5490422.

It is not a de Polignac number, because 2240945 - 2² = 2240941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240941) 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, 761 + ... + 2249.

It is an arithmetic number, because the mean of its divisors is an integer number (196680).

2^2240945 is an apocalyptic number.

It is an amenable number.

2240945 is a deficient number, since it is larger than the sum of its proper divisors (905935).

2240945 is a wasteful number, since it uses less digits than its factorization.

2240945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2240945 is about 1496.9786237619. The cubic root of 2240945 is about 130.8610495687.

The spelling of 2240945 in words is "two million, two hundred forty thousand, nine hundred forty-five".