2265533290 has 32 divisors (see below), whose sum is σ = 4149127296. Its totient is φ = 890429760.

The previous prime is 2265533287. The next prime is 2265533311. The reversal of 2265533290 is 923355622.

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, 1086589 + ... + 1088671.

It is an arithmetic number, because the mean of its divisors is an integer number (129660228).

Almost surely, 2^2265533290 is an apocalyptic number.

2265533290 is a deficient number, since it is larger than the sum of its proper divisors (1883594006).

2265533290 is a wasteful number, since it uses less digits than its factorization.

2265533290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3934.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 2265533290 is about 47597.6185328636. The cubic root of 2265533290 is about 1313.3792462641.

It can be divided in two parts, 22655 and 33290, that added together give a triangular number (55945 = T₃₃₄).

The spelling of 2265533290 in words is "two billion, two hundred sixty-five million, five hundred thirty-three thousand, two hundred ninety".