71030022 has 32 divisors (see below), whose sum is σ = 164585472. Its totient is φ = 20015424.

The previous prime is 71030009. The next prime is 71030039. The reversal of 71030022 is 22003017.

It is a junction number, because it is equal to n+sod(n) for n = 71029983 and 71030010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8518 + ... + 14649.

It is an arithmetic number, because the mean of its divisors is an integer number (5143296).

Almost surely, 2^71030022 is an apocalyptic number.

71030022 is an abundant number, since it is smaller than the sum of its proper divisors (93555450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71030022 is a wasteful number, since it uses less digits than its factorization.

71030022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23252.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 71030022 is about 8427.9310628410. The cubic root of 71030022 is about 414.1401308636.

Adding to 71030022 its reverse (22003017), we get a palindrome (93033039).

The spelling of 71030022 in words is "seventy-one million, thirty thousand, twenty-two".