2273859225 has 135 divisors (see below), whose sum is σ = 4756428859. Its totient is φ = 1037625600.

The previous prime is 2273859223. The next prime is 2273859239. The reversal of 2273859225 is 5229583722.

The square root of 2273859225 is 47685.

It is a perfect power (a square), and thus also a powerful number.

2273859225 is a `hidden beast` number, since 2 + 2 + 7 + 38 + 592 + 25 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 247779081 + 2026080144 = 15741^2 + 45012^2 .

It is not a de Polignac number, because 2273859225 - 2¹ = 2273859223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

Its product of digits (604800) is a multiple of the sum of its prime divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2273859223) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 133756417 + ... + 133756433.

Almost surely, 2^2273859225 is an apocalyptic number.

2273859225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2273859225 is the 47685-th square number.

2273859225 is the 23843-rd centered octagonal number.

It is an amenable number.

2273859225 is an abundant number, since it is smaller than the sum of its proper divisors (2482569634).

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

2273859225 is an equidigital number, since it uses as much as digits as its factorization.

2273859225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 36 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The cubic root of 2273859225 is about 1314.9861882727.

The spelling of 2273859225 in words is "two billion, two hundred seventy-three million, eight hundred fifty-nine thousand, two hundred twenty-five".