2224312002021 has 4 divisors (see below), whose sum is σ = 2965749336032. Its totient is φ = 1482874668012.

The previous prime is 2224312002001. The next prime is 2224312002023. The reversal of 2224312002021 is 1202002134222.

2224312002021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 2224312002021 - 2⁷ = 2224312001893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2224312002023) 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, 370718667001 + ... + 370718667006.

It is an arithmetic number, because the mean of its divisors is an integer number (741437334008).

Almost surely, 2^{2224312002021} is an apocalyptic number.

It is an amenable number.

2224312002021 is a deficient number, since it is larger than the sum of its proper divisors (741437334011).

2224312002021 is an equidigital number, since it uses as much as digits as its factorization.

2224312002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741437334010.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 2224312002021 its reverse (1202002134222), we get a palindrome (3426314136243).

The spelling of 2224312002021 in words is "two trillion, two hundred twenty-four billion, three hundred twelve million, two thousand, twenty-one".