2522661328 has 20 divisors (see below), whose sum is σ = 5331989088. Its totient is φ = 1146664160.

The previous prime is 2522661319. The next prime is 2522661329. The reversal of 2522661328 is 8231662252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522661329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7166476 + ... + 7166827.

Almost surely, 2^2522661328 is an apocalyptic number.

It is an amenable number.

2522661328 is an abundant number, since it is smaller than the sum of its proper divisors (2809327760).

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

2522661328 is a wasteful number, since it uses less digits than its factorization.

2522661328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14333322 (or 14333316 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 2522661328 is about 50226.1020585910. The cubic root of 2522661328 is about 1361.2973001778.

The spelling of 2522661328 in words is "two billion, five hundred twenty-two million, six hundred sixty-one thousand, three hundred twenty-eight".