2231343450 has 120 divisors (see below), whose sum is σ = 7085608992. Its totient is φ = 510014880.

The previous prime is 2231343437. The next prime is 2231343467. The reversal of 2231343450 is 543431322.

2231343450 is a `hidden beast` number, since 2 + 2 + 313 + 4 + 345 + 0 = 666.

It is a super-3 number, since 3×2231343450³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 11004 + ... + 67703.

Almost surely, 2^2231343450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231343450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3542804496).

2231343450 is an abundant number, since it is smaller than the sum of its proper divisors (4854265542).

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

2231343450 is a wasteful number, since it uses less digits than its factorization.

2231343450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78738 (or 78724 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2231343450 is about 47237.0982385667. The cubic root of 2231343450 is about 1306.7388631351.

Adding to 2231343450 its reverse (543431322), we get a palindrome (2774774772).

The spelling of 2231343450 in words is "two billion, two hundred thirty-one million, three hundred forty-three thousand, four hundred fifty".