2232740280 has 128 divisors (see below), whose sum is σ = 7083417600. Its totient is φ = 562099200.

The previous prime is 2232740269. The next prime is 2232740281. The reversal of 2232740280 is 820472322.

It is a super-3 number, since 3×2232740280³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232740281) 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, 145201 + ... + 159839.

It is an arithmetic number, because the mean of its divisors is an integer number (55339200).

Almost surely, 2^2232740280 is an apocalyptic number.

2232740280 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 2232740280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3541708800).

2232740280 is an abundant number, since it is smaller than the sum of its proper divisors (4850677320).

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

2232740280 is a wasteful number, since it uses less digits than its factorization.

2232740280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14725 (or 14721 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 2232740280 is about 47251.8812323912. The cubic root of 2232740280 is about 1307.0114808562.

The spelling of 2232740280 in words is "two billion, two hundred thirty-two million, seven hundred forty thousand, two hundred eighty".