2521432421222 has 32 divisors (see below), whose sum is σ = 4677224670720. Its totient is φ = 1002262425120.

The previous prime is 2521432421197. The next prime is 2521432421243. The reversal of 2521432421222 is 2221242341252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231999758 + ... + 232010625.

It is an arithmetic number, because the mean of its divisors is an integer number (146163270960).

Almost surely, 2^{2521432421222} is an apocalyptic number.

2521432421222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2521432421222 is a deficient number, since it is larger than the sum of its proper divisors (2155792249498).

2521432421222 is a wasteful number, since it uses less digits than its factorization.

2521432421222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464010428.

The product of its digits is 30720, while the sum is 32.

Adding to 2521432421222 its reverse (2221242341252), we get a palindrome (4742674762474).

The spelling of 2521432421222 in words is "two trillion, five hundred twenty-one billion, four hundred thirty-two million, four hundred twenty-one thousand, two hundred twenty-two".