2104221522 has 32 divisors (see below), whose sum is σ = 4542709248. Its totient is φ = 645947136.

The previous prime is 2104221491. The next prime is 2104221547. The reversal of 2104221522 is 2251224012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2623 + ... + 64925.

It is an arithmetic number, because the mean of its divisors is an integer number (141959664).

Almost surely, 2^2104221522 is an apocalyptic number.

2104221522 is an abundant number, since it is smaller than the sum of its proper divisors (2438487726).

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

2104221522 is a wasteful number, since it uses less digits than its factorization.

2104221522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62754.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2104221522 is about 45871.7944057130. The cubic root of 2104221522 is about 1281.4366847803.

Adding to 2104221522 its reverse (2251224012), we get a palindrome (4355445534).

The spelling of 2104221522 in words is "two billion, one hundred four million, two hundred twenty-one thousand, five hundred twenty-two".