22234554421 has 4 divisors (see below), whose sum is σ = 22951798144. Its totient is φ = 21517310700.

The previous prime is 22234554409. The next prime is 22234554431. The reversal of 22234554421 is 12445543222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22234554421 - 2⁵ = 22234554389 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 (22234554431) 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, 358621815 + ... + 358621876.

It is an arithmetic number, because the mean of its divisors is an integer number (5737949536).

Almost surely, 2^22234554421 is an apocalyptic number.

It is an amenable number.

22234554421 is a deficient number, since it is larger than the sum of its proper divisors (717243723).

22234554421 is an equidigital number, since it uses as much as digits as its factorization.

22234554421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717243722.

The product of its digits is 76800, while the sum is 34.

The spelling of 22234554421 in words is "twenty-two billion, two hundred thirty-four million, five hundred fifty-four thousand, four hundred twenty-one".