7142228344 has 16 divisors (see below), whose sum is σ = 13853460600. Its totient is φ = 3447972192.

The previous prime is 7142228323. The next prime is 7142228381. The reversal of 7142228344 is 4438222417.

It is a super-2 number, since 2×7142228344² (a number of 21 digits) contains 22 as substring.

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, 15392502 + ... + 15392965.

Almost surely, 2^7142228344 is an apocalyptic number.

It is an amenable number.

7142228344 is a deficient number, since it is larger than the sum of its proper divisors (6711232256).

7142228344 is a wasteful number, since it uses less digits than its factorization.

7142228344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30785502 (or 30785498 counting only the distinct ones).

The product of its digits is 86016, while the sum is 37.

The square root of 7142228344 is about 84511.7053667715. The cubic root of 7142228344 is about 1925.8002716570.

The spelling of 7142228344 in words is "seven billion, one hundred forty-two million, two hundred twenty-eight thousand, three hundred forty-four".