71858022022 has 16 divisors (see below), whose sum is σ = 107987945472. Its totient is φ = 35862091720.

The previous prime is 71858021999. The next prime is 71858022023. The reversal of 71858022022 is 22022085817.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71858022023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3125493 + ... + 3148399.

It is an arithmetic number, because the mean of its divisors is an integer number (6749246592).

Almost surely, 2^71858022022 is an apocalyptic number.

71858022022 is a deficient number, since it is larger than the sum of its proper divisors (36129923450).

71858022022 is a wasteful number, since it uses less digits than its factorization.

71858022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25763.

The product of its (nonzero) digits is 35840, while the sum is 37.

The spelling of 71858022022 in words is "seventy-one billion, eight hundred fifty-eight million, twenty-two thousand, twenty-two".