2245724 has 24 divisors (see below), whose sum is σ = 4457040. Its totient is φ = 981504.

The previous prime is 2245723. The next prime is 2245739. The reversal of 2245724 is 4275422.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a d-powerful number, because it can be written as 2⁹ + 2¹⁷ + 4⁴ + 5 + 7³ + 2²¹ + 4⁷ .

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 2245693 and 2245702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149 + ... + 2124.

It is an arithmetic number, because the mean of its divisors is an integer number (185710).

2^2245724 is an apocalyptic number.

It is an amenable number.

2245724 is a deficient number, since it is larger than the sum of its proper divisors (2211316).

2245724 is a wasteful number, since it uses less digits than its factorization.

2245724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309 (or 2307 counting only the distinct ones).

The product of its digits is 4480, while the sum is 26.

The square root of 2245724 is about 1498.5739888307. The cubic root of 2245724 is about 130.9540075128.

The spelling of 2245724 in words is "two million, two hundred forty-five thousand, seven hundred twenty-four".