13402221143255 has 8 divisors (see below), whose sum is σ = 18380188996512. Its totient is φ = 9190094498208.

The previous prime is 13402221143219. The next prime is 13402221143293. The reversal of 13402221143255 is 55234112220431.

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

It is a cyclic number.

It is not a de Polignac number, because 13402221143255 - 2³⁸ = 13127343236311 is a prime.

It is a super-2 number, since 2×13402221143255² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 382920604093 = 13402221143255 / (1 + 3 + 4 + 0 + 2 + 2 + 2 + 1 + 1 + 4 + 3 + 2 + 5 + 5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191460302012 + ... + 191460302081.

It is an arithmetic number, because the mean of its divisors is an integer number (2297523624564).

Almost surely, 2^{13402221143255} is an apocalyptic number.

13402221143255 is a deficient number, since it is larger than the sum of its proper divisors (4977967853257).

13402221143255 is an equidigital number, since it uses as much as digits as its factorization.

13402221143255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382920604105.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 13402221143255 its reverse (55234112220431), we get a palindrome (68636333363686).

The spelling of 13402221143255 in words is "thirteen trillion, four hundred two billion, two hundred twenty-one million, one hundred forty-three thousand, two hundred fifty-five".