2232144735221 has 4 divisors (see below), whose sum is σ = 2265460328352. Its totient is φ = 2198829142092.

The previous prime is 2232144735217. The next prime is 2232144735269. The reversal of 2232144735221 is 1225374412322.

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 2232144735221 - 2² = 2232144735217 is a prime.

It is a super-3 number, since 3×2232144735221³ (a number of 38 digits) contains 333 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 (2232144035221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16657796465 + ... + 16657796598.

It is an arithmetic number, because the mean of its divisors is an integer number (566365082088).

Almost surely, 2^{2232144735221} is an apocalyptic number.

It is an amenable number.

2232144735221 is a deficient number, since it is larger than the sum of its proper divisors (33315593131).

2232144735221 is an equidigital number, since it uses as much as digits as its factorization.

2232144735221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33315593130.

The product of its digits is 161280, while the sum is 38.

The spelling of 2232144735221 in words is "two trillion, two hundred thirty-two billion, one hundred forty-four million, seven hundred thirty-five thousand, two hundred twenty-one".