2422064721 has 8 divisors (see below), whose sum is σ = 3229836480. Its totient is φ = 1614501392.

The previous prime is 2422064699. The next prime is 2422064761. The reversal of 2422064721 is 1274602242.

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 2422064721 - 2¹⁴ = 2422048337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2422064761) 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, 22605 + ... + 73178.

It is an arithmetic number, because the mean of its divisors is an integer number (403729560).

Almost surely, 2^2422064721 is an apocalyptic number.

It is an amenable number.

2422064721 is a deficient number, since it is larger than the sum of its proper divisors (807771759).

2422064721 is an equidigital number, since it uses as much as digits as its factorization.

2422064721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104215.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 2422064721 is about 49214.4767421132. The cubic root of 2422064721 is about 1342.9564043674.

Adding to 2422064721 its reverse (1274602242), we get a palindrome (3696666963).

The spelling of 2422064721 in words is "two billion, four hundred twenty-two million, sixty-four thousand, seven hundred twenty-one".