2226545 has 8 divisors (see below), whose sum is σ = 2698920. Its totient is φ = 1763200.

The previous prime is 2226529. The next prime is 2226547. The reversal of 2226545 is 5456222.

It can be written as a sum of positive squares in 4 ways, for example, as 277729 + 1948816 = 527^2 + 1396^2 .

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

It is not a de Polignac number, because 2226545 - 2⁴ = 2226529 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2226547) 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, 1700 + ... + 2709.

It is an arithmetic number, because the mean of its divisors is an integer number (337365).

2^2226545 is an apocalyptic number.

It is an amenable number.

2226545 is a deficient number, since it is larger than the sum of its proper divisors (472375).

2226545 is a wasteful number, since it uses less digits than its factorization.

2226545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4515.

The product of its digits is 4800, while the sum is 26.

The square root of 2226545 is about 1492.1611843229. The cubic root of 2226545 is about 130.5801487463.

The spelling of 2226545 in words is "two million, two hundred twenty-six thousand, five hundred forty-five".