21812227053883 has 8 divisors (see below), whose sum is σ = 24930605322752. Its totient is φ = 18694435243176.

The previous prime is 21812227053817. The next prime is 21812227053901. The reversal of 21812227053883 is 38835072221812.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21812227053883 - 2⁹ = 21812227053371 is a prime.

It is a super-3 number, since 3×21812227053883³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21812227053883.

It is not an unprimeable number, because it can be changed into a prime (21812227053803) 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, 146534835 + ... + 146683612.

It is an arithmetic number, because the mean of its divisors is an integer number (3116325665344).

Almost surely, 2^{21812227053883} is an apocalyptic number.

21812227053883 is a deficient number, since it is larger than the sum of its proper divisors (3118378268869).

21812227053883 is a wasteful number, since it uses less digits than its factorization.

21812227053883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293229081.

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 21812227053883 in words is "twenty-one trillion, eight hundred twelve billion, two hundred twenty-seven million, fifty-three thousand, eight hundred eighty-three".