212222302420 has 24 divisors (see below), whose sum is σ = 446266687104. Its totient is φ = 84774663456.

The previous prime is 212222302393. The next prime is 212222302429. The reversal of 212222302420 is 24203222212.

It is a junction number, because it is equal to n+sod(n) for n = 212222302391 and 212222302400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212222302429) 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, 7125864 + ... + 7155583.

It is an arithmetic number, because the mean of its divisors is an integer number (18594445296).

Almost surely, 2^212222302420 is an apocalyptic number.

212222302420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212222302420 is an abundant number, since it is smaller than the sum of its proper divisors (234044384684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212222302420 is a wasteful number, since it uses less digits than its factorization.

212222302420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14282199 (or 14282197 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 212222302420 its reverse (24203222212), we get a palindrome (236425524632).

The spelling of 212222302420 in words is "two hundred twelve billion, two hundred twenty-two million, three hundred two thousand, four hundred twenty".