221222010023 has 8 divisors (see below), whose sum is σ = 252989019648. Its totient is φ = 189495966744.

The previous prime is 221222009909. The next prime is 221222010059. The reversal of 221222010023 is 320010222122.

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

It is not a de Polignac number, because 221222010023 - 2¹⁰ = 221222008999 is a prime.

It is a super-3 number, since 3×221222010023³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221222009983 and 221222010010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221222010323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10230011 + ... + 10251612.

It is an arithmetic number, because the mean of its divisors is an integer number (31623627456).

Almost surely, 2^221222010023 is an apocalyptic number.

221222010023 is a deficient number, since it is larger than the sum of its proper divisors (31767009625).

221222010023 is a wasteful number, since it uses less digits than its factorization.

221222010023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20483173.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 221222010023 its reverse (320010222122), we get a palindrome (541232232145).

The spelling of 221222010023 in words is "two hundred twenty-one billion, two hundred twenty-two million, ten thousand, twenty-three".