212122022 has 32 divisors (see below), whose sum is σ = 385860672. Its totient is φ = 85377024.

The previous prime is 212122019. The next prime is 212122049. The reversal of 212122022 is 220221212.

212122022 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 212121988 and 212122006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183398 + ... + 184550.

It is an arithmetic number, because the mean of its divisors is an integer number (12058146).

Almost surely, 2^212122022 is an apocalyptic number.

212122022 is a deficient number, since it is larger than the sum of its proper divisors (173738650).

212122022 is a wasteful number, since it uses less digits than its factorization.

212122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 212122022 is about 14564.4094284664. The cubic root of 212122022 is about 596.3875739081.

Adding to 212122022 its reverse (220221212), we get a palindrome (432343234).

The spelling of 212122022 in words is "two hundred twelve million, one hundred twenty-two thousand, twenty-two".