22421512133435 has 4 divisors (see below), whose sum is σ = 26905814560128. Its totient is φ = 17937209706744.

The previous prime is 22421512133407. The next prime is 22421512133441. The reversal of 22421512133435 is 53433121512422.

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

It is a cyclic number.

It is not a de Polignac number, because 22421512133435 - 2³⁶ = 22352792656699 is a prime.

It is a super-4 number, since 4×22421512133435⁴ (a number of 55 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2242151213339 + ... + 2242151213348.

It is an arithmetic number, because the mean of its divisors is an integer number (6726453640032).

Almost surely, 2^{22421512133435} is an apocalyptic number.

22421512133435 is a deficient number, since it is larger than the sum of its proper divisors (4484302426693).

22421512133435 is an equidigital number, since it uses as much as digits as its factorization.

22421512133435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484302426692.

The product of its digits is 172800, while the sum is 38.

Adding to 22421512133435 its reverse (53433121512422), we get a palindrome (75854633645857).

The spelling of 22421512133435 in words is "twenty-two trillion, four hundred twenty-one billion, five hundred twelve million, one hundred thirty-three thousand, four hundred thirty-five".