2235204520 has 64 divisors (see below), whose sum is σ = 5109765120. Its totient is φ = 879819264.

The previous prime is 2235204511. The next prime is 2235204527. The reversal of 2235204520 is 254025322.

It is a happy number.

It is a super-2 number, since 2×2235204520² = 9992278492456860800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2235204527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2519517 + ... + 2520403.

It is an arithmetic number, because the mean of its divisors is an integer number (79840080).

Almost surely, 2^2235204520 is an apocalyptic number.

2235204520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2235204520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2554882560).

2235204520 is an abundant number, since it is smaller than the sum of its proper divisors (2874560600).

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

2235204520 is a wasteful number, since it uses less digits than its factorization.

2235204520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834 (or 1830 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2235204520 is about 47277.9496171312. The cubic root of 2235204520 is about 1307.4921466722.

Adding to 2235204520 its reverse (254025322), we get a palindrome (2489229842).

The spelling of 2235204520 in words is "two billion, two hundred thirty-five million, two hundred four thousand, five hundred twenty".