2242000021 has 4 divisors (see below), whose sum is σ = 2250932544. Its totient is φ = 2233067500.

The previous prime is 2242000009. The next prime is 2242000027. The reversal of 2242000021 is 1200002422.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1200002422 = 2 ⋅600001211.

It is a cyclic number.

It is not a de Polignac number, because 2242000021 - 2⁵ = 2241999989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2241999965 and 2242000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242000027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4465885 + ... + 4466386.

It is an arithmetic number, because the mean of its divisors is an integer number (562733136).

Almost surely, 2^2242000021 is an apocalyptic number.

It is an amenable number.

2242000021 is a deficient number, since it is larger than the sum of its proper divisors (8932523).

2242000021 is an equidigital number, since it uses as much as digits as its factorization.

2242000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8932522.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2242000021 is about 47349.7626287609. The cubic root of 2242000021 is about 1308.8158249786.

Adding to 2242000021 its reverse (1200002422), we get a palindrome (3442002443).

The spelling of 2242000021 in words is "two billion, two hundred forty-two million, twenty-one", and thus it is an aban number.