222020212331 has 4 divisors (see below), whose sum is σ = 222021929664. Its totient is φ = 222018495000.

The previous prime is 222020212301. The next prime is 222020212333. The reversal of 222020212331 is 133212020222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222020212331 - 2²⁶ = 221953103467 is a prime.

It is a super-2 number, since 2×222020212331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222020212333) 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 3 ways as a sum of consecutive naturals, for example, 647420 + ... + 929081.

It is an arithmetic number, because the mean of its divisors is an integer number (55505482416).

Almost surely, 2^222020212331 is an apocalyptic number.

222020212331 is a deficient number, since it is larger than the sum of its proper divisors (1717333).

222020212331 is a wasteful number, since it uses less digits than its factorization.

222020212331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717332.

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

Adding to 222020212331 its reverse (133212020222), we get a palindrome (355232232553).

The spelling of 222020212331 in words is "two hundred twenty-two billion, twenty million, two hundred twelve thousand, three hundred thirty-one".