212210022 has 16 divisors (see below), whose sum is σ = 435891312. Its totient is φ = 68824800.

The previous prime is 212210021. The next prime is 212210027. The reversal of 212210022 is 220012212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210021) 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, 477729 + ... + 478172.

It is an arithmetic number, because the mean of its divisors is an integer number (27243207).

Almost surely, 2^212210022 is an apocalyptic number.

212210022 is an abundant number, since it is smaller than the sum of its proper divisors (223681290).

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

212210022 is a wasteful number, since it uses less digits than its factorization.

212210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955943.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 212210022 is about 14567.4301783122. The cubic root of 212210022 is about 596.4700340729.

Adding to 212210022 its reverse (220012212), we get a palindrome (432222234).

The spelling of 212210022 in words is "two hundred twelve million, two hundred ten thousand, twenty-two".