7229999387 has 8 divisors (see below), whose sum is σ = 7787117520. Its totient is φ = 6673019040.

The previous prime is 7229999347. The next prime is 7229999419. The reversal of 7229999387 is 7839999227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7229999387 - 2⁸ = 7229999131 is a prime.

It is a super-2 number, since 2×7229999387² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7229999347) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 91664 + ... + 151202.

It is an arithmetic number, because the mean of its divisors is an integer number (973389690).

Almost surely, 2^7229999387 is an apocalyptic number.

7229999387 is a deficient number, since it is larger than the sum of its proper divisors (557118133).

7229999387 is a wasteful number, since it uses less digits than its factorization.

7229999387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68893.

The product of its digits is 30862944, while the sum is 65.

The square root of 7229999387 is about 85029.4030732899. The cubic root of 7229999387 is about 1933.6569132364.

The spelling of 7229999387 in words is "seven billion, two hundred twenty-nine million, nine hundred ninety-nine thousand, three hundred eighty-seven".