7229391082 has 8 divisors (see below), whose sum is σ = 11096274816. Its totient is φ = 3530632812.

The previous prime is 7229391067. The next prime is 7229391097. The reversal of 7229391082 is 2801939227.

It is an interprime number because it is at equal distance from previous prime (7229391067) and next prime (7229391097).

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

It is a super-2 number, since 2×7229391082² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

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, 42031258 + ... + 42031429.

It is an arithmetic number, because the mean of its divisors is an integer number (1387034352).

Almost surely, 2^7229391082 is an apocalyptic number.

7229391082 is a deficient number, since it is larger than the sum of its proper divisors (3866883734).

7229391082 is a wasteful number, since it uses less digits than its factorization.

7229391082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84062732.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 7229391082 is about 85025.8259707014. The cubic root of 7229391082 is about 1933.6026815048.

The spelling of 7229391082 in words is "seven billion, two hundred twenty-nine million, three hundred ninety-one thousand, eighty-two".