2273653328 has 20 divisors (see below), whose sum is σ = 4465550868. Its totient is φ = 1121253120.

The previous prime is 2273653313. The next prime is 2273653351. The reversal of 2273653328 is 8233563722.

It can be written as a sum of positive squares in 2 ways, for example, as 857786944 + 1415866384 = 29288^2 + 37628^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 972143 + ... + 974478.

Almost surely, 2^2273653328 is an apocalyptic number.

It is an amenable number.

2273653328 is a deficient number, since it is larger than the sum of its proper divisors (2191897540).

2273653328 is a wasteful number, since it uses less digits than its factorization.

2273653328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946702 (or 1946696 counting only the distinct ones).

The product of its digits is 362880, while the sum is 41.

The square root of 2273653328 is about 47682.8410227411. The cubic root of 2273653328 is about 1314.9464965919.

The spelling of 2273653328 in words is "two billion, two hundred seventy-three million, six hundred fifty-three thousand, three hundred twenty-eight".