2231340422520 has 64 divisors (see below), whose sum is σ = 7302568659840. Its totient is φ = 540931011200.

The previous prime is 2231340422497. The next prime is 2231340422561. The reversal of 2231340422520 is 252240431322.

It is a super-3 number, since 3×2231340422520³ (a number of 38 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 845203386 + ... + 845206025.

It is an arithmetic number, because the mean of its divisors is an integer number (114102635310).

Almost surely, 2^{2231340422520} is an apocalyptic number.

2231340422520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231340422520 is an abundant number, since it is smaller than the sum of its proper divisors (5071228237320).

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

2231340422520 is a wasteful number, since it uses less digits than its factorization.

2231340422520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690409436 (or 1690409432 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 2231340422520 its reverse (252240431322), we get a palindrome (2483580853842).

The spelling of 2231340422520 in words is "two trillion, two hundred thirty-one billion, three hundred forty million, four hundred twenty-two thousand, five hundred twenty".