3211222221423 has 24 divisors (see below), whose sum is σ = 4810413757968. Its totient is φ = 2140731198144.

The previous prime is 3211222221367. The next prime is 3211222221439. The reversal of 3211222221423 is 3241222221123.

3211222221423 is a `hidden beast` number, since 3 + 2 + 1 + 12 + 2 + 2 + 221 + 423 = 666.

It is not a de Polignac number, because 3211222221423 - 2⁸ = 3211222221167 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3211222211423) 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 23 ways as a sum of consecutive naturals, for example, 6320565 + ... + 6809697.

It is an arithmetic number, because the mean of its divisors is an integer number (200433906582).

Almost surely, 2^{3211222221423} is an apocalyptic number.

3211222221423 is a deficient number, since it is larger than the sum of its proper divisors (1599191536545).

3211222221423 is an equidigital number, since it uses as much as digits as its factorization.

3211222221423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516165 (or 516153 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 3211222221423 its reverse (3241222221123), we get a palindrome (6452444442546).

The spelling of 3211222221423 in words is "three trillion, two hundred eleven billion, two hundred twenty-two million, two hundred twenty-one thousand, four hundred twenty-three".