13222787980 has 12 divisors (see below), whose sum is σ = 27767854800. Its totient is φ = 5289115184.

The previous prime is 13222787951. The next prime is 13222787983. The reversal of 13222787980 is 8978722231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13222787983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330569680 + ... + 330569719.

It is an arithmetic number, because the mean of its divisors is an integer number (2313987900).

Almost surely, 2^13222787980 is an apocalyptic number.

13222787980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13222787980 is an abundant number, since it is smaller than the sum of its proper divisors (14545066820).

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

13222787980 is a wasteful number, since it uses less digits than its factorization.

13222787980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661139408 (or 661139406 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 13222787980 in words is "thirteen billion, two hundred twenty-two million, seven hundred eighty-seven thousand, nine hundred eighty".