222310020021 has 16 divisors (see below), whose sum is σ = 298053648000. Its totient is φ = 147387290688.

The previous prime is 222310019927. The next prime is 222310020043. The reversal of 222310020021 is 120020013222.

It is a happy number.

It is not a de Polignac number, because 222310020021 - 2¹⁵ = 222309987253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222310022021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1098975 + ... + 1285443.

It is an arithmetic number, because the mean of its divisors is an integer number (18628353000).

Almost surely, 2^222310020021 is an apocalyptic number.

It is an amenable number.

222310020021 is a deficient number, since it is larger than the sum of its proper divisors (75743627979).

222310020021 is a wasteful number, since it uses less digits than its factorization.

222310020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188668.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 222310020021 its reverse (120020013222), we get a palindrome (342330033243).

The spelling of 222310020021 in words is "two hundred twenty-two billion, three hundred ten million, twenty thousand, twenty-one".