212432022 has 96 divisors (see below), whose sum is σ = 522422784. Its totient is φ = 61819200.

The previous prime is 212432021. The next prime is 212432039. The reversal of 212432022 is 220234212.

212432022 is a `hidden beast` number, since 212 + 432 + 0 + 22 = 666.

212432022 is digitally balanced in base 2, because in such base 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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 212431986 and 212432004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212432021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 783747 + ... + 784017.

It is an arithmetic number, because the mean of its divisors is an integer number (5441904).

Almost surely, 2^212432022 is an apocalyptic number.

212432022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 212432022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261211392).

212432022 is an abundant number, since it is smaller than the sum of its proper divisors (309990762).

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

212432022 is a wasteful number, since it uses less digits than its factorization.

212432022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 212432022 is about 14575.0479244495. The cubic root of 212432022 is about 596.6779573338.

Adding to 212432022 its reverse (220234212), we get a palindrome (432666234).

It can be divided in two parts, 212 and 432022, that added together give a palindrome (432234).

The spelling of 212432022 in words is "two hundred twelve million, four hundred thirty-two thousand, twenty-two".