881222236655064 has 64 divisors (see below), whose sum is σ = 2219189110115040. Its totient is φ = 291589711825920.

The previous prime is 881222236655039. The next prime is 881222236655083. The reversal of 881222236655064 is 460556632222188.

It is a junction number, because it is equal to n+sod(n) for n = 881222236654989 and 881222236655007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135890874 + ... + 142227894.

Almost surely, 2^{881222236655064} is an apocalyptic number.

It is an amenable number.

881222236655064 is an abundant number, since it is smaller than the sum of its proper divisors (1337966873459976).

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

881222236655064 is a wasteful number, since it uses less digits than its factorization.

881222236655064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6379460 (or 6379456 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 60.

The spelling of 881222236655064 in words is "eight hundred eighty-one trillion, two hundred twenty-two billion, two hundred thirty-six million, six hundred fifty-five thousand, sixty-four".