2204001522 has 64 divisors (see below), whose sum is σ = 5003856000. Its totient is φ = 718873344.

The previous prime is 2204001511. The next prime is 2204001523. The reversal of 2204001522 is 2251004022.

2204001522 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2204001495 and 2204001504.

It is not an unprimeable number, because it can be changed into a prime (2204001523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 740854 + ... + 743822.

It is an arithmetic number, because the mean of its divisors is an integer number (78185250).

Almost surely, 2^2204001522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2204001522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2501928000).

2204001522 is an abundant number, since it is smaller than the sum of its proper divisors (2799854478).

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

2204001522 is a wasteful number, since it uses less digits than its factorization.

2204001522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272 (or 3266 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2204001522 is about 46946.7945870642. The cubic root of 2204001522 is about 1301.3795064155.

Adding to 2204001522 its reverse (2251004022), we get a palindrome (4455005544).

The spelling of 2204001522 in words is "two billion, two hundred four million, one thousand, five hundred twenty-two".