2602221064 has 16 divisors (see below), whose sum is σ = 4879709820. Its totient is φ = 1300965120.

The previous prime is 2602221049. The next prime is 2602221077. The reversal of 2602221064 is 4601222062.

It can be written as a sum of positive squares in 2 ways, for example, as 2283884100 + 318336964 = 47790^2 + 17842^2 .

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, 117084 + ... + 137524.

Almost surely, 2^2602221064 is an apocalyptic number.

It is an amenable number.

2602221064 is a deficient number, since it is larger than the sum of its proper divisors (2277488756).

2602221064 is a wasteful number, since it uses less digits than its factorization.

2602221064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36360 (or 36356 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2602221064 is about 51011.9698110159. The cubic root of 2602221064 is about 1375.4603089595.

The spelling of 2602221064 in words is "two billion, six hundred two million, two hundred twenty-one thousand, sixty-four".