13333222452 has 48 divisors (see below), whose sum is σ = 35414733312. Its totient is φ = 3864701280.

The previous prime is 13333222423. The next prime is 13333222453. The reversal of 13333222452 is 25422233331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13333222453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2192818 + ... + 2198889.

It is an arithmetic number, because the mean of its divisors is an integer number (737806944).

Almost surely, 2^13333222452 is an apocalyptic number.

13333222452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13333222452 is an abundant number, since it is smaller than the sum of its proper divisors (22081510860).

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

13333222452 is a wasteful number, since it uses less digits than its factorization.

13333222452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4391748 (or 4391746 counting only the distinct ones).

The product of its digits is 25920, while the sum is 30.

Adding to 13333222452 its reverse (25422233331), we get a palindrome (38755455783).

The spelling of 13333222452 in words is "thirteen billion, three hundred thirty-three million, two hundred twenty-two thousand, four hundred fifty-two".