1402233331221 has 32 divisors (see below), whose sum is σ = 2081103523200. Its totient is φ = 933149393280.

The previous prime is 1402233331189. The next prime is 1402233331243. The reversal of 1402233331221 is 1221333322041.

1402233331221 is a `hidden beast` number, since 1 + 402 + 2 + 3 + 3 + 3 + 31 + 221 = 666.

It is not a de Polignac number, because 1402233331221 - 2⁵ = 1402233331189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402233331621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34663635 + ... + 34704063.

It is an arithmetic number, because the mean of its divisors is an integer number (65034485100).

Almost surely, 2^{1402233331221} is an apocalyptic number.

It is an amenable number.

1402233331221 is a deficient number, since it is larger than the sum of its proper divisors (678870191979).

1402233331221 is a wasteful number, since it uses less digits than its factorization.

1402233331221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42706 (or 42700 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1402233331221 its reverse (1221333322041), we get a palindrome (2623566653262).

The spelling of 1402233331221 in words is "one trillion, four hundred two billion, two hundred thirty-three million, three hundred thirty-one thousand, two hundred twenty-one".