22320226252821 has 8 divisors (see below), whose sum is σ = 34011773337664. Its totient is φ = 12754415001600.

The previous prime is 22320226252811. The next prime is 22320226252823. The reversal of 22320226252821 is 12825262202322.

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 22320226252821 - 2⁷ = 22320226252693 is a prime.

It is a super-3 number, since 3×22320226252821³ (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 22320226252821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22320226252823) 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, 531433958380 + ... + 531433958421.

It is an arithmetic number, because the mean of its divisors is an integer number (4251471667208).

Almost surely, 2^{22320226252821} is an apocalyptic number.

22320226252821 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22320226252821 is a deficient number, since it is larger than the sum of its proper divisors (11691547084843).

22320226252821 is a wasteful number, since it uses less digits than its factorization.

22320226252821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062867916811.

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 22320226252821 in words is "twenty-two trillion, three hundred twenty billion, two hundred twenty-six million, two hundred fifty-two thousand, eight hundred twenty-one".