22233001335421 has 4 divisors (see below), whose sum is σ = 22233046980412. Its totient is φ = 22232955690432.

The previous prime is 22233001335401. The next prime is 22233001335443. The reversal of 22233001335421 is 12453310033222.

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 14180601929796 + 8052399405625 = 3765714^2 + 2837675^2 .

It is a cyclic number.

It is not a de Polignac number, because 22233001335421 - 2²¹ = 22232999238269 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 (22233001335401) 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, 22083900 + ... + 23068693.

It is an arithmetic number, because the mean of its divisors is an integer number (5558261745103).

Almost surely, 2^{22233001335421} is an apocalyptic number.

It is an amenable number.

22233001335421 is a deficient number, since it is larger than the sum of its proper divisors (45644991).

22233001335421 is an equidigital number, since it uses as much as digits as its factorization.

22233001335421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45644990.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 22233001335421 its reverse (12453310033222), we get a palindrome (34686311368643).

The spelling of 22233001335421 in words is "twenty-two trillion, two hundred thirty-three billion, one million, three hundred thirty-five thousand, four hundred twenty-one".