2224555533421 has 8 divisors (see below), whose sum is σ = 2395798311704. Its totient is φ = 2053330344000.

The previous prime is 2224555533301. The next prime is 2224555533457. The reversal of 2224555533421 is 1243355554222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 667897562500 + 1556657970921 = 817250^2 + 1247661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2224555533421 - 2⁹ = 2224555532909 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 (2224555533521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4133946 + ... + 4640971.

It is an arithmetic number, because the mean of its divisors is an integer number (299474788963).

Almost surely, 2^{2224555533421} is an apocalyptic number.

It is an amenable number.

2224555533421 is a deficient number, since it is larger than the sum of its proper divisors (171242778283).

2224555533421 is a wasteful number, since it uses less digits than its factorization.

2224555533421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8794431.

The product of its digits is 1440000, while the sum is 43.

The spelling of 2224555533421 in words is "two trillion, two hundred twenty-four billion, five hundred fifty-five million, five hundred thirty-three thousand, four hundred twenty-one".