22332034421 has 4 divisors (see below), whose sum is σ = 22337164332. Its totient is φ = 22326904512.

The previous prime is 22332034393. The next prime is 22332034441. The reversal of 22332034421 is 12443023322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16045288900 + 6286745521 = 126670^2 + 79289^2 .

It is a cyclic number.

It is not a de Polignac number, because 22332034421 - 2¹⁰ = 22332033397 is a prime.

It is a super-2 number, since 2×22332034421² (a number of 21 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 (22332034441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2558420 + ... + 2567133.

It is an arithmetic number, because the mean of its divisors is an integer number (5584291083).

Almost surely, 2^22332034421 is an apocalyptic number.

It is an amenable number.

22332034421 is a deficient number, since it is larger than the sum of its proper divisors (5129911).

22332034421 is an equidigital number, since it uses as much as digits as its factorization.

22332034421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5129910.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 22332034421 its reverse (12443023322), we get a palindrome (34775057743).

The spelling of 22332034421 in words is "twenty-two billion, three hundred thirty-two million, thirty-four thousand, four hundred twenty-one".