71222398 has 16 divisors (see below), whose sum is σ = 120054816. Its totient is φ = 31442400.

The previous prime is 71222387. The next prime is 71222413. The reversal of 71222398 is 89322217.

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, 58953 + ... + 60148.

It is an arithmetic number, because the mean of its divisors is an integer number (7503426).

Almost surely, 2^71222398 is an apocalyptic number.

71222398 is a deficient number, since it is larger than the sum of its proper divisors (48832418).

71222398 is a wasteful number, since it uses less digits than its factorization.

71222398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119139.

The product of its digits is 12096, while the sum is 34.

The square root of 71222398 is about 8439.3363483155. The cubic root of 71222398 is about 414.5136762163.

The spelling of 71222398 in words is "seventy-one million, two hundred twenty-two thousand, three hundred ninety-eight".