13033402221 has 8 divisors (see below), whose sum is σ = 19860422464. Its totient is φ = 7447658400.

The previous prime is 13033402201. The next prime is 13033402231. The reversal of 13033402221 is 12220433031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13033402221 - 2¹⁴ = 13033385837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 620638201 = 13033402221 / (1 + 3 + 0 + 3 + 3 + 4 + 0 + 2 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13033402201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310319080 + ... + 310319121.

It is an arithmetic number, because the mean of its divisors is an integer number (2482552808).

Almost surely, 2^13033402221 is an apocalyptic number.

It is an amenable number.

13033402221 is a deficient number, since it is larger than the sum of its proper divisors (6827020243).

13033402221 is an equidigital number, since it uses as much as digits as its factorization.

13033402221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620638211.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13033402221 its reverse (12220433031), we get a palindrome (25253835252).

The spelling of 13033402221 in words is "thirteen billion, thirty-three million, four hundred two thousand, two hundred twenty-one".