2273379156 has 96 divisors (see below), whose sum is σ = 6164363520. Its totient is φ = 723178368.

The previous prime is 2273379149. The next prime is 2273379167. The reversal of 2273379156 is 6519733722.

2273379156 is a `hidden beast` number, since 2 + 273 + 379 + 1 + 5 + 6 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1521946 + ... + 1523438.

It is an arithmetic number, because the mean of its divisors is an integer number (64212120).

Almost surely, 2^2273379156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2273379156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3082181760).

2273379156 is an abundant number, since it is smaller than the sum of its proper divisors (3890984364).

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

2273379156 is a wasteful number, since it uses less digits than its factorization.

2273379156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142 (or 2134 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 2273379156 is about 47679.9659815315. The cubic root of 2273379156 is about 1314.8936395154.

The spelling of 2273379156 in words is "two billion, two hundred seventy-three million, three hundred seventy-nine thousand, one hundred fifty-six".