222320324311421 has 16 divisors (see below), whose sum is σ = 257568316080000. Its totient is φ = 187944468749568.

The previous prime is 222320324311409. The next prime is 222320324311441. The reversal of 222320324311421 is 124113423023222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 222320324311421 - 2³⁸ = 222045446404477 is a prime.

It is a super-2 number, since 2×222320324311421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222320324311441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11627705 + ... + 24079953.

It is an arithmetic number, because the mean of its divisors is an integer number (16098019755000).

Almost surely, 2^{222320324311421} is an apocalyptic number.

It is an amenable number.

222320324311421 is a deficient number, since it is larger than the sum of its proper divisors (35247991768579).

222320324311421 is a wasteful number, since it uses less digits than its factorization.

222320324311421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12487268.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 222320324311421 its reverse (124113423023222), we get a palindrome (346433747334643).

The spelling of 222320324311421 in words is "two hundred twenty-two trillion, three hundred twenty billion, three hundred twenty-four million, three hundred eleven thousand, four hundred twenty-one".