2402422221 has 8 divisors (see below), whose sum is σ = 3306559744. Its totient is φ = 1549949760.

The previous prime is 2402422219. The next prime is 2402422241. The reversal of 2402422221 is 1222242042.

2402422221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2402422221 - 2¹ = 2402422219 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 (2402422241) 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, 12916156 + ... + 12916341.

It is an arithmetic number, because the mean of its divisors is an integer number (413319968).

Almost surely, 2^2402422221 is an apocalyptic number.

It is an amenable number.

2402422221 is a deficient number, since it is larger than the sum of its proper divisors (904137523).

2402422221 is a wasteful number, since it uses less digits than its factorization.

2402422221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25832531.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 2402422221 is about 49014.5103107233. The cubic root of 2402422221 is about 1339.3161694272.

Adding to 2402422221 its reverse (1222242042), we get a palindrome (3624664263).

The spelling of 2402422221 in words is "two billion, four hundred two million, four hundred twenty-two thousand, two hundred twenty-one".