212422332 has 24 divisors (see below), whose sum is σ = 512744400. Its totient is φ = 68365696.

The previous prime is 212422307. The next prime is 212422333. The reversal of 212422332 is 233224212.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 212422299 and 212422308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212422333) 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, 304857 + ... + 305552.

It is an arithmetic number, because the mean of its divisors is an integer number (21364350).

Almost surely, 2^212422332 is an apocalyptic number.

It is an amenable number.

212422332 is an abundant number, since it is smaller than the sum of its proper divisors (300322068).

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

212422332 is a wasteful number, since it uses less digits than its factorization.

212422332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610445 (or 610443 counting only the distinct ones).

The product of its digits is 1152, while the sum is 21.

The square root of 212422332 is about 14574.7155032268. The cubic root of 212422332 is about 596.6688847887.

Adding to 212422332 its reverse (233224212), we get a palindrome (445646544).

The spelling of 212422332 in words is "two hundred twelve million, four hundred twenty-two thousand, three hundred thirty-two".