213222220022 has 24 divisors (see below), whose sum is σ = 372315310920. Its totient is φ = 91316037120.

The previous prime is 213222220021. The next prime is 213222220031. The reversal of 213222220022 is 220022222312.

It is a super-2 number, since 2×213222220022² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213222219976 and 213222220003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213222220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 634004 + ... + 910167.

It is an arithmetic number, because the mean of its divisors is an integer number (15513137955).

Almost surely, 2^213222220022 is an apocalyptic number.

213222220022 is a deficient number, since it is larger than the sum of its proper divisors (159093090898).

213222220022 is a wasteful number, since it uses less digits than its factorization.

213222220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545596 (or 1545589 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 213222220022 its reverse (220022222312), we get a palindrome (433244442334).

The spelling of 213222220022 in words is "two hundred thirteen billion, two hundred twenty-two million, two hundred twenty thousand, twenty-two".