2542223156 has 24 divisors (see below), whose sum is σ = 4880463840. Its totient is φ = 1149096800.

The previous prime is 2542223149. The next prime is 2542223171. The reversal of 2542223156 is 6513222452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153515 + ... + 169266.

It is an arithmetic number, because the mean of its divisors is an integer number (203352660).

Almost surely, 2^2542223156 is an apocalyptic number.

It is an amenable number.

2542223156 is a deficient number, since it is larger than the sum of its proper divisors (2338240684).

2542223156 is a wasteful number, since it uses less digits than its factorization.

2542223156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322975 (or 322973 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 2542223156 is about 50420.4636630803. The cubic root of 2542223156 is about 1364.8069437639.

The spelling of 2542223156 in words is "two billion, five hundred forty-two million, two hundred twenty-three thousand, one hundred fifty-six".