822147263232 has 72 divisors (see below), whose sum is σ = 2283245981184. Its totient is φ = 262133904384.

The previous prime is 822147263219. The next prime is 822147263263. The reversal of 822147263232 is 232362741228.

It is a super-2 number, since 2×822147263232² (a number of 25 digits) contains 22 as substring.

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, 23254168 + ... + 23289495.

Almost surely, 2^822147263232 is an apocalyptic number.

It is an amenable number.

822147263232 is an abundant number, since it is smaller than the sum of its proper divisors (1461098717952).

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

822147263232 is a wasteful number, since it uses less digits than its factorization.

822147263232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46543705 (or 46543691 counting only the distinct ones).

The product of its digits is 387072, while the sum is 42.

The spelling of 822147263232 in words is "eight hundred twenty-two billion, one hundred forty-seven million, two hundred sixty-three thousand, two hundred thirty-two".