2231421302 has 16 divisors (see below), whose sum is σ = 3695412672. Its totient is φ = 1002061320.

The previous prime is 2231421301. The next prime is 2231421307. The reversal of 2231421302 is 2031241322.

It is a super-3 number, since 3×2231421302³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231421301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609188 + ... + 612839.

It is an arithmetic number, because the mean of its divisors is an integer number (230963292).

Almost surely, 2^2231421302 is an apocalyptic number.

2231421302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2231421302 is a deficient number, since it is larger than the sum of its proper divisors (1463991370).

2231421302 is a wasteful number, since it uses less digits than its factorization.

2231421302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222123.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2231421302 is about 47237.9222870778. The cubic root of 2231421302 is about 1306.7540604147.

Adding to 2231421302 its reverse (2031241322), we get a palindrome (4262662624).

The spelling of 2231421302 in words is "two billion, two hundred thirty-one million, four hundred twenty-one thousand, three hundred two".