2265511 has 8 divisors (see below), whose sum is σ = 2363904. Its totient is φ = 2168760.

The previous prime is 2265499. The next prime is 2265517. The reversal of 2265511 is 1155622.

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

It is not a de Polignac number, because 2265511 - 2¹¹ = 2263463 is a prime.

It is a super-2 number, since 2×2265511² = 10265080182242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265517) 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, 2976 + ... + 3658.

It is an arithmetic number, because the mean of its divisors is an integer number (295488).

2^2265511 is an apocalyptic number.

2265511 is a deficient number, since it is larger than the sum of its proper divisors (98393).

2265511 is a wasteful number, since it uses less digits than its factorization.

2265511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821.

The product of its digits is 600, while the sum is 22.

The square root of 2265511 is about 1505.1614531338. The cubic root of 2265511 is about 131.3374938916.

The spelling of 2265511 in words is "two million, two hundred sixty-five thousand, five hundred eleven".