2273515545 has 32 divisors (see below), whose sum is σ = 4159584000. Its totient is φ = 1038746880.

The previous prime is 2273515513. The next prime is 2273515561. The reversal of 2273515545 is 5455153722.

It is not a de Polignac number, because 2273515545 - 2⁵ = 2273515513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228331 + ... + 238079.

It is an arithmetic number, because the mean of its divisors is an integer number (129987000).

Almost surely, 2^2273515545 is an apocalyptic number.

It is an amenable number.

2273515545 is a deficient number, since it is larger than the sum of its proper divisors (1886068455).

2273515545 is a wasteful number, since it uses less digits than its factorization.

2273515545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11985.

The product of its digits is 210000, while the sum is 39.

The square root of 2273515545 is about 47681.3962148761. The cubic root of 2273515545 is about 1314.9199342116.

The spelling of 2273515545 in words is "two billion, two hundred seventy-three million, five hundred fifteen thousand, five hundred forty-five".