863781272022 has 32 divisors (see below), whose sum is σ = 1748641847040. Its totient is φ = 284426863200.

The previous prime is 863781272021. The next prime is 863781272051. The reversal of 863781272022 is 220272187368.

It is a super-2 number, since 2×863781272022² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863781272021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1357408 + ... + 1889475.

It is an arithmetic number, because the mean of its divisors is an integer number (54645057720).

Almost surely, 2^863781272022 is an apocalyptic number.

863781272022 is an abundant number, since it is smaller than the sum of its proper divisors (884860575018).

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

863781272022 is a wasteful number, since it uses less digits than its factorization.

863781272022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3247428.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 863781272022 in words is "eight hundred sixty-three billion, seven hundred eighty-one million, two hundred seventy-two thousand, twenty-two".