2265399306 has 32 divisors (see below), whose sum is σ = 5253102720. Its totient is φ = 722300832.

The previous prime is 2265399287. The next prime is 2265399319. The reversal of 2265399306 is 6039935622.

2265399306 is a `hidden beast` number, since 2 + 26 + 539 + 93 + 0 + 6 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910755 + ... + 913238.

It is an arithmetic number, because the mean of its divisors is an integer number (164159460).

Almost surely, 2^2265399306 is an apocalyptic number.

2265399306 is an abundant number, since it is smaller than the sum of its proper divisors (2987703414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2265399306 is a wasteful number, since it uses less digits than its factorization.

2265399306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824027 (or 1824021 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 45.

The square root of 2265399306 is about 47596.2110466789. The cubic root of 2265399306 is about 1313.3533546010.

The spelling of 2265399306 in words is "two billion, two hundred sixty-five million, three hundred ninety-nine thousand, three hundred six".