13222215200 has 36 divisors (see below), whose sum is σ = 32278734810. Its totient is φ = 5288885760.

The previous prime is 13222215161. The next prime is 13222215269. The reversal of 13222215200 is 251222231.

It can be written as a sum of positive squares in 3 ways, for example, as 12346765456 + 875449744 = 111116^2 + 29588^2 .

It is a super-2 number, since 2×13222215200² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8263085 + ... + 8264684.

Almost surely, 2^13222215200 is an apocalyptic number.

13222215200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13222215200 is an abundant number, since it is smaller than the sum of its proper divisors (19056519610).

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

13222215200 is a wasteful number, since it uses less digits than its factorization.

13222215200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16527789 (or 16527776 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 13222215200 its reverse (251222231), we get a palindrome (13473437431).

The spelling of 13222215200 in words is "thirteen billion, two hundred twenty-two million, two hundred fifteen thousand, two hundred".