2231263400 has 48 divisors (see below), whose sum is σ = 5194010940. Its totient is φ = 891417600.

The previous prime is 2231263361. The next prime is 2231263457. The reversal of 2231263400 is 43621322.

It can be written as a sum of positive squares in 6 ways, for example, as 1672319236 + 558944164 = 40894^2 + 23642^2 .

It is a super-3 number, since 3×2231263400³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169040 + ... + 181760.

Almost surely, 2^2231263400 is an apocalyptic number.

2231263400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231263400 is an abundant number, since it is smaller than the sum of its proper divisors (2962747540).

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

2231263400 is a wasteful number, since it uses less digits than its factorization.

2231263400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13614 (or 13605 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2231263400 is about 47236.2509096562. The cubic root of 2231263400 is about 1306.7232364213.

Adding to 2231263400 its reverse (43621322), we get a palindrome (2274884722).

The spelling of 2231263400 in words is "two billion, two hundred thirty-one million, two hundred sixty-three thousand, four hundred".