2273432772 has 48 divisors (see below), whose sum is σ = 5717335680. Its totient is φ = 698953728.

The previous prime is 2273432761. The next prime is 2273432801. The reversal of 2273432772 is 2772343722.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 2273432772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214633 + ... + 224975.

It is an arithmetic number, because the mean of its divisors is an integer number (119111160).

Almost surely, 2^2273432772 is an apocalyptic number.

It is an amenable number.

2273432772 is an abundant number, since it is smaller than the sum of its proper divisors (3443902908).

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

2273432772 is a wasteful number, since it uses less digits than its factorization.

2273432772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11772 (or 11770 counting only the distinct ones).

The product of its digits is 197568, while the sum is 39.

The square root of 2273432772 is about 47680.5282269398. The cubic root of 2273432772 is about 1314.9039763720.

The spelling of 2273432772 in words is "two billion, two hundred seventy-three million, four hundred thirty-two thousand, seven hundred seventy-two".