21141456822 has 12 divisors (see below), whose sum is σ = 45806489820. Its totient is φ = 7047152268.

The previous prime is 21141456821. The next prime is 21141456829. The reversal of 21141456822 is 22865414112.

21141456822 is a `hidden beast` number, since 211 + 414 + 5 + 6 + 8 + 22 = 666.

It is a super-2 number, since 2×21141456822² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21141456821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 587262672 + ... + 587262707.

It is an arithmetic number, because the mean of its divisors is an integer number (3817207485).

Almost surely, 2^21141456822 is an apocalyptic number.

21141456822 is an abundant number, since it is smaller than the sum of its proper divisors (24665032998).

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

21141456822 is a wasteful number, since it uses less digits than its factorization.

21141456822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174525387 (or 1174525384 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The spelling of 21141456822 in words is "twenty-one billion, one hundred forty-one million, four hundred fifty-six thousand, eight hundred twenty-two".