2542223155 has 4 divisors (see below), whose sum is σ = 3050667792. Its totient is φ = 2033778520.

The previous prime is 2542223149. The next prime is 2542223171. The reversal of 2542223155 is 5513222452.

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

It is not a de Polignac number, because 2542223155 - 2¹⁹ = 2541698867 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 254222311 + ... + 254222320.

It is an arithmetic number, because the mean of its divisors is an integer number (762666948).

Almost surely, 2^2542223155 is an apocalyptic number.

2542223155 is a deficient number, since it is larger than the sum of its proper divisors (508444637).

2542223155 is an equidigital number, since it uses as much as digits as its factorization.

2542223155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508444636.

The product of its digits is 24000, while the sum is 31.

The square root of 2542223155 is about 50420.4636531637. The cubic root of 2542223155 is about 1364.8069435850.

The spelling of 2542223155 in words is "two billion, five hundred forty-two million, two hundred twenty-three thousand, one hundred fifty-five".