2422156655 has 4 divisors (see below), whose sum is σ = 2906587992. Its totient is φ = 1937725320.

The previous prime is 2422156637. The next prime is 2422156663. The reversal of 2422156655 is 5566512242.

It is a happy number.

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

It is not a de Polignac number, because 2422156655 - 2³⁰ = 1348414831 is a prime.

It is a super-2 number, since 2×2422156655² = 11733685722721578050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242215661 + ... + 242215670.

It is an arithmetic number, because the mean of its divisors is an integer number (726646998).

Almost surely, 2^2422156655 is an apocalyptic number.

2422156655 is a deficient number, since it is larger than the sum of its proper divisors (484431337).

2422156655 is an equidigital number, since it uses as much as digits as its factorization.

2422156655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484431336.

The product of its digits is 144000, while the sum is 38.

The square root of 2422156655 is about 49215.4107470414. The cubic root of 2422156655 is about 1342.9733956271.

Adding to 2422156655 its reverse (5566512242), we get a palindrome (7988668897).

The spelling of 2422156655 in words is "two billion, four hundred twenty-two million, one hundred fifty-six thousand, six hundred fifty-five".