13224663400 has 48 divisors (see below), whose sum is σ = 33112529100. Its totient is φ = 4882951680.

The previous prime is 13224663323. The next prime is 13224663407. The reversal of 13224663400 is 436642231.

It can be written as a sum of positive squares in 6 ways, for example, as 1819704964 + 11404958436 = 42658^2 + 106794^2 .

It is not an unprimeable number, because it can be changed into a prime (13224663407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2540605 + ... + 2545804.

Almost surely, 2^13224663400 is an apocalyptic number.

13224663400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13224663400 is an abundant number, since it is smaller than the sum of its proper divisors (19887865700).

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

13224663400 is a wasteful number, since it uses less digits than its factorization.

13224663400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5086438 (or 5086429 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 13224663400 in words is "thirteen billion, two hundred twenty-four million, six hundred sixty-three thousand, four hundred".