221206022023 has 8 divisors (see below), whose sum is σ = 252816862592. Its totient is φ = 189597676536.

The previous prime is 221206022021. The next prime is 221206022041. The reversal of 221206022023 is 320220602122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 221206022023 - 2¹ = 221206022021 is a prime.

It is a super-2 number, since 2×221206022023² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221206021985 and 221206022003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221206022021) 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, 429765 + ... + 791902.

It is an arithmetic number, because the mean of its divisors is an integer number (31602107824).

Almost surely, 2^221206022023 is an apocalyptic number.

221206022023 is a deficient number, since it is larger than the sum of its proper divisors (31610840569).

221206022023 is a wasteful number, since it uses less digits than its factorization.

221206022023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247541.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 221206022023 its reverse (320220602122), we get a palindrome (541426624145).

The spelling of 221206022023 in words is "two hundred twenty-one billion, two hundred six million, twenty-two thousand, twenty-three".