7221029534 has 16 divisors (see below), whose sum is σ = 11442217680. Its totient is φ = 3408310080.

The previous prime is 7221029527. The next prime is 7221029539. The reversal of 7221029534 is 4359201227.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7221029494 and 7221029503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7221029539) 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, 327449 + ... + 348804.

It is an arithmetic number, because the mean of its divisors is an integer number (715138605).

Almost surely, 2^7221029534 is an apocalyptic number.

7221029534 is a deficient number, since it is larger than the sum of its proper divisors (4221188146).

7221029534 is a wasteful number, since it uses less digits than its factorization.

7221029534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676555.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 7221029534 is about 84976.6411080127. The cubic root of 7221029534 is about 1932.8569225719.

The spelling of 7221029534 in words is "seven billion, two hundred twenty-one million, twenty-nine thousand, five hundred thirty-four".