2422161331 has 4 divisors (see below), whose sum is σ = 2422634200. Its totient is φ = 2421688464.

The previous prime is 2422161317. The next prime is 2422161337. The reversal of 2422161331 is 1331612242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2422161331 - 2⁵ = 2422161299 is a prime.

It is a super-2 number, since 2×2422161331² = 11733731026783383122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2422161296 and 2422161305.

It is not an unprimeable number, because it can be changed into a prime (2422161337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228666 + ... + 239023.

It is an arithmetic number, because the mean of its divisors is an integer number (605658550).

Almost surely, 2^2422161331 is an apocalyptic number.

2422161331 is a deficient number, since it is larger than the sum of its proper divisors (472869).

2422161331 is an equidigital number, since it uses as much as digits as its factorization.

2422161331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472868.

The product of its digits is 1728, while the sum is 25.

The square root of 2422161331 is about 49215.4582524637. The cubic root of 2422161331 is about 1342.9742598348.

Adding to 2422161331 its reverse (1331612242), we get a palindrome (3753773573).

The spelling of 2422161331 in words is "two billion, four hundred twenty-two million, one hundred sixty-one thousand, three hundred thirty-one".