71421140222 has 16 divisors (see below), whose sum is σ = 107325654480. Its totient is φ = 35645955072.

The previous prime is 71421140177. The next prime is 71421140233. The reversal of 71421140222 is 22204112417.

It is a happy number.

It is a super-2 number, since 2×71421140222² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71421140191 and 71421140200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6575348 + ... + 6586200.

It is an arithmetic number, because the mean of its divisors is an integer number (6707853405).

Almost surely, 2^71421140222 is an apocalyptic number.

71421140222 is a deficient number, since it is larger than the sum of its proper divisors (35904514258).

71421140222 is a wasteful number, since it uses less digits than its factorization.

71421140222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16507.

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 71421140222 its reverse (22204112417), we get a palindrome (93625252639).

The spelling of 71421140222 in words is "seventy-one billion, four hundred twenty-one million, one hundred forty thousand, two hundred twenty-two".