2231554240 has 56 divisors (see below), whose sum is σ = 5321241072. Its totient is φ = 891386880.

The previous prime is 2231554223. The next prime is 2231554261. The reversal of 2231554240 is 424551322.

It is a super-3 number, since 3×2231554240³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231554199 and 2231554208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247410 + ... + 256270.

It is an arithmetic number, because the mean of its divisors is an integer number (95022162).

Almost surely, 2^2231554240 is an apocalyptic number.

2231554240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231554240 is an abundant number, since it is smaller than the sum of its proper divisors (3089686832).

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

2231554240 is an equidigital number, since it uses as much as digits as its factorization.

2231554240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9665 (or 9655 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2231554240 is about 47239.3293771197. The cubic root of 2231554240 is about 1306.7800100672.

The spelling of 2231554240 in words is "two billion, two hundred thirty-one million, five hundred fifty-four thousand, two hundred forty".