2245547 has 8 divisors (see below), whose sum is σ = 2454912. Its totient is φ = 2044800.

The previous prime is 2245543. The next prime is 2245549. The reversal of 2245547 is 7455422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2245547 - 2² = 2245543 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁶ + 2²¹ + 4⁵ + 5⁴ + 5⁶ + 4⁸ + 7² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2245541) 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, 1604 + ... + 2657.

It is an arithmetic number, because the mean of its divisors is an integer number (306864).

2^2245547 is an apocalyptic number.

2245547 is a deficient number, since it is larger than the sum of its proper divisors (209365).

2245547 is a wasteful number, since it uses less digits than its factorization.

2245547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4309.

The product of its digits is 11200, while the sum is 29.

The square root of 2245547 is about 1498.5149315239. The cubic root of 2245547 is about 130.9505669789.

The spelling of 2245547 in words is "two million, two hundred forty-five thousand, five hundred forty-seven".