22223332123421 has 64 divisors (see below), whose sum is σ = 26445541070592. Its totient is φ = 18409420800000.

The previous prime is 22223332123417. The next prime is 22223332123423. The reversal of 22223332123421 is 12432123332222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22223332123421 - 2² = 22223332123417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22223332123423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11508715826 + ... + 11508717756.

It is an arithmetic number, because the mean of its divisors is an integer number (413211579228).

Almost surely, 2^{22223332123421} is an apocalyptic number.

It is an amenable number.

22223332123421 is a deficient number, since it is larger than the sum of its proper divisors (4222208947171).

22223332123421 is a wasteful number, since it uses less digits than its factorization.

22223332123421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014.

The product of its digits is 41472, while the sum is 32.

Adding to 22223332123421 its reverse (12432123332222), we get a palindrome (34655455455643).

The spelling of 22223332123421 in words is "twenty-two trillion, two hundred twenty-three billion, three hundred thirty-two million, one hundred twenty-three thousand, four hundred twenty-one".