222230132021 has 4 divisors (see below), whose sum is σ = 222392701152. Its totient is φ = 222067562892.

The previous prime is 222230132011. The next prime is 222230132057. The reversal of 222230132021 is 120231032222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222230132021 - 2¹⁴ = 222230115637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222230131984 and 222230132002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222230132011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81282515 + ... + 81285248.

It is an arithmetic number, because the mean of its divisors is an integer number (55598175288).

Almost surely, 2^222230132021 is an apocalyptic number.

It is an amenable number.

222230132021 is a deficient number, since it is larger than the sum of its proper divisors (162569131).

222230132021 is a wasteful number, since it uses less digits than its factorization.

222230132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162569130.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222230132021 its reverse (120231032222), we get a palindrome (342461164243).

The spelling of 222230132021 in words is "two hundred twenty-two billion, two hundred thirty million, one hundred thirty-two thousand, twenty-one".