2242442021 has 8 divisors (see below), whose sum is σ = 2248352640. Its totient is φ = 2236540768.

The previous prime is 2242441979. The next prime is 2242442029. The reversal of 2242442021 is 1202442422.

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

It is a cyclic number.

It is not a de Polignac number, because 2242442021 - 2¹⁴ = 2242425637 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 (2242442029) 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, 764660 + ... + 767586.

It is an arithmetic number, because the mean of its divisors is an integer number (281044080).

Almost surely, 2^2242442021 is an apocalyptic number.

It is an amenable number.

2242442021 is a deficient number, since it is larger than the sum of its proper divisors (5910619).

2242442021 is an equidigital number, since it uses as much as digits as its factorization.

2242442021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4683.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 2242442021 is about 47354.4297927871. The cubic root of 2242442021 is about 1308.9018283354.

Adding to 2242442021 its reverse (1202442422), we get a palindrome (3444884443).

The spelling of 2242442021 in words is "two billion, two hundred forty-two million, four hundred forty-two thousand, twenty-one".