13421222430 has 128 divisors (see below), whose sum is σ = 41905299456. Its totient is φ = 2667561600.

The previous prime is 13421222411. The next prime is 13421222431. The reversal of 13421222430 is 3422212431.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13421222430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421222431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73176 + ... + 179435.

It is an arithmetic number, because the mean of its divisors is an integer number (327385152).

Almost surely, 2^13421222430 is an apocalyptic number.

13421222430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13421222430 is an abundant number, since it is smaller than the sum of its proper divisors (28484077026).

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

13421222430 is a wasteful number, since it uses less digits than its factorization.

13421222430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252662.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 13421222430 its reverse (3422212431), we get a palindrome (16843434861).

Subtracting from 13421222430 its reverse (3422212431), we obtain a palindrome (9999009999).

The spelling of 13421222430 in words is "thirteen billion, four hundred twenty-one million, two hundred twenty-two thousand, four hundred thirty".