2265485000 has 160 divisors (see below), whose sum is σ = 5526480960. Its totient is φ = 869856000.

The previous prime is 2265484849. The next prime is 2265485021. The reversal of 2265485000 is 5845622.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21994949 + ... + 21995051.

It is an arithmetic number, because the mean of its divisors is an integer number (34540506).

Almost surely, 2^2265485000 is an apocalyptic number.

2265485000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2265485000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2763240480).

2265485000 is an abundant number, since it is smaller than the sum of its proper divisors (3260995960).

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

2265485000 is a wasteful number, since it uses less digits than its factorization.

2265485000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 2265485000 is about 47597.1112568820. Note that the first 3 decimals coincide. The cubic root of 2265485000 is about 1313.3699146077.

The spelling of 2265485000 in words is "two billion, two hundred sixty-five million, four hundred eighty-five thousand".