2245857 has 24 divisors (see below), whose sum is σ = 3336480. Its totient is φ = 1339200.

The previous prime is 2245849. The next prime is 2245861. The reversal of 2245857 is 7585422.

It is not a de Polignac number, because 2245857 - 2³ = 2245849 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 4³ + 5³ + 8³ + 5³ + 7⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54757 + ... + 54797.

It is an arithmetic number, because the mean of its divisors is an integer number (139020).

2^2245857 is an apocalyptic number.

It is an amenable number.

2245857 is a deficient number, since it is larger than the sum of its proper divisors (1090623).

2245857 is a wasteful number, since it uses less digits than its factorization.

2245857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 94 counting only the distinct ones).

The product of its digits is 22400, while the sum is 33.

The square root of 2245857 is about 1498.6183636937. The cubic root of 2245857 is about 130.9565926537.

The spelling of 2245857 in words is "two million, two hundred forty-five thousand, eight hundred fifty-seven".