2266521 has 8 divisors (see below), whose sum is σ = 3095904. Its totient is φ = 1474080.

The previous prime is 2266519. The next prime is 2266531. The reversal of 2266521 is 1256622.

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

It is not a de Polignac number, because 2266521 - 2¹ = 2266519 is a prime.

2266521 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2266491 and 2266500.

It is not an unprimeable number, because it can be changed into a prime (2266501) 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, 9091 + ... + 9336.

It is an arithmetic number, because the mean of its divisors is an integer number (386988).

2^2266521 is an apocalyptic number.

It is an amenable number.

2266521 is a deficient number, since it is larger than the sum of its proper divisors (829383).

2266521 is a wasteful number, since it uses less digits than its factorization.

2266521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18471.

The product of its digits is 1440, while the sum is 24.

The square root of 2266521 is about 1505.4969279278. The cubic root of 2266521 is about 131.3570084237.

The spelling of 2266521 in words is "two million, two hundred sixty-six thousand, five hundred twenty-one".