2231267280 has 160 divisors (see below), whose sum is σ = 7943063040. Its totient is φ = 512432640.

The previous prime is 2231267263. The next prime is 2231267281. The reversal of 2231267280 is 827621322.

It is a super-3 number, since 3×2231267280³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231267281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27919 + ... + 72401.

It is an arithmetic number, because the mean of its divisors is an integer number (49644144).

Almost surely, 2^2231267280 is an apocalyptic number.

2231267280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231267280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3971531520).

2231267280 is an abundant number, since it is smaller than the sum of its proper divisors (5711795760).

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

2231267280 is a wasteful number, since it uses less digits than its factorization.

2231267280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44529 (or 44523 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 2231267280 is about 47236.2919797903. The cubic root of 2231267280 is about 1306.7239938521.

The spelling of 2231267280 in words is "two billion, two hundred thirty-one million, two hundred sixty-seven thousand, two hundred eighty".