2102555522 has 8 divisors (see below), whose sum is σ = 3230756172. Its totient is φ = 1025636800.

The previous prime is 2102555519. The next prime is 2102555537. The reversal of 2102555522 is 2255552012.

It can be written as a sum of positive squares in 2 ways, for example, as 1647629281 + 454926241 = 40591^2 + 21329^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 12820379 + ... + 12820542.

Almost surely, 2^2102555522 is an apocalyptic number.

2102555522 is a deficient number, since it is larger than the sum of its proper divisors (1128200650).

2102555522 is a wasteful number, since it uses less digits than its factorization.

2102555522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25640964.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 2102555522 is about 45853.6315028592. The cubic root of 2102555522 is about 1281.0984065199.

The spelling of 2102555522 in words is "two billion, one hundred two million, five hundred fifty-five thousand, five hundred twenty-two".