2302311220 has 48 divisors (see below), whose sum is σ = 5341190400. Its totient is φ = 826600320.

The previous prime is 2302311217. The next prime is 2302311281. The reversal of 2302311220 is 221132032.

2302311220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2302311194 and 2302311203.

It is a congruent number.

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, 48855 + ... + 83614.

It is an arithmetic number, because the mean of its divisors is an integer number (111274800).

Almost surely, 2^2302311220 is an apocalyptic number.

2302311220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2302311220 is an abundant number, since it is smaller than the sum of its proper divisors (3038879180).

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

2302311220 is a wasteful number, since it uses less digits than its factorization.

2302311220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132568 (or 132566 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2302311220 is about 47982.4053169493. The cubic root of 2302311220 is about 1320.4481222621.

Adding to 2302311220 its reverse (221132032), we get a palindrome (2523443252).

It can be divided in two parts, 23023 and 11220, that added together give a palindrome (34243).

The spelling of 2302311220 in words is "two billion, three hundred two million, three hundred eleven thousand, two hundred twenty".