2303221302 has 48 divisors (see below), whose sum is σ = 5324288112. Its totient is φ = 717050880.

The previous prime is 2303221301. The next prime is 2303221343. The reversal of 2303221302 is 2031223032.

It is a happy number.

It is a super-3 number, since 3×2303221302³ (a number of 29 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303221301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11358 + ... + 68814.

It is an arithmetic number, because the mean of its divisors is an integer number (110922669).

Almost surely, 2^2303221302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2303221302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2662144056).

2303221302 is an abundant number, since it is smaller than the sum of its proper divisors (3021066810).

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

2303221302 is a wasteful number, since it uses less digits than its factorization.

2303221302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57613 (or 57610 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2303221302 is about 47991.8878770152. The cubic root of 2303221302 is about 1320.6220862553.

Adding to 2303221302 its reverse (2031223032), we get a palindrome (4334444334).

The spelling of 2303221302 in words is "two billion, three hundred three million, two hundred twenty-one thousand, three hundred two".