2222723528 has 8 divisors (see below), whose sum is σ = 4167606630. Its totient is φ = 1111361760.

The previous prime is 2222723527. The next prime is 2222723537. The reversal of 2222723528 is 8253272222.

It can be written as a sum of positive squares in only one way, i.e., 1860887044 + 361836484 = 43138^2 + 19022^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2222723521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138920213 + ... + 138920228.

Almost surely, 2^2222723528 is an apocalyptic number.

It is an amenable number.

2222723528 is a deficient number, since it is larger than the sum of its proper divisors (1944883102).

2222723528 is a wasteful number, since it uses less digits than its factorization.

2222723528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277840447 (or 277840443 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 2222723528 is about 47145.7689299899. The cubic root of 2222723528 is about 1305.0540003002.

The spelling of 2222723528 in words is "two billion, two hundred twenty-two million, seven hundred twenty-three thousand, five hundred twenty-eight".