2265521790 has 32 divisors (see below), whose sum is σ = 6214003200. Its totient is φ = 517833504.

The previous prime is 2265521773. The next prime is 2265521801. The reversal of 2265521790 is 971255622.

2265521790 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

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, 5393890 + ... + 5394309.

It is an arithmetic number, because the mean of its divisors is an integer number (194187600).

Almost surely, 2^2265521790 is an apocalyptic number.

2265521790 is an abundant number, since it is smaller than the sum of its proper divisors (3948481410).

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

2265521790 is a wasteful number, since it uses less digits than its factorization.

2265521790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10788216.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 2265521790 is about 47597.4977283470. The cubic root of 2265521790 is about 1313.3770239931.

The spelling of 2265521790 in words is "two billion, two hundred sixty-five million, five hundred twenty-one thousand, seven hundred ninety".