2542222136 has 16 divisors (see below), whose sum is σ = 4770138840. Its totient is φ = 1270185120.

The previous prime is 2542222117. The next prime is 2542222147. The reversal of 2542222136 is 6312222452.

It is a junction number, because it is equal to n+sod(n) for n = 2542222099 and 2542222108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104006 + ... + 126101.

Almost surely, 2^2542222136 is an apocalyptic number.

It is an amenable number.

2542222136 is a deficient number, since it is larger than the sum of its proper divisors (2227916704).

2542222136 is a wasteful number, since it uses less digits than its factorization.

2542222136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231494 (or 231490 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 2542222136 is about 50420.4535481386. The cubic root of 2542222136 is about 1364.8067612330.

Adding to 2542222136 its reverse (6312222452), we get a palindrome (8854444588).

The spelling of 2542222136 in words is "two billion, five hundred forty-two million, two hundred twenty-two thousand, one hundred thirty-six".