222224231021 has 8 divisors (see below), whose sum is σ = 251914108320. Its totient is φ = 194333740272.

The previous prime is 222224230973. The next prime is 222224231101. The reversal of 222224231021 is 120132422222.

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 222224231021 - 2¹⁸ = 222223968877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222224231521) 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, 449846375 + ... + 449846868.

It is an arithmetic number, because the mean of its divisors is an integer number (31489263540).

Almost surely, 2^222224231021 is an apocalyptic number.

It is an amenable number.

222224231021 is a deficient number, since it is larger than the sum of its proper divisors (29689877299).

222224231021 is a wasteful number, since it uses less digits than its factorization.

222224231021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899693275.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 222224231021 its reverse (120132422222), we get a palindrome (342356653243).

The spelling of 222224231021 in words is "two hundred twenty-two billion, two hundred twenty-four million, two hundred thirty-one thousand, twenty-one".