212532422 has 8 divisors (see below), whose sum is σ = 318864216. Its totient is φ = 106244352.

The previous prime is 212532407. The next prime is 212532427. The reversal of 212532422 is 224235212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212532427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7313 + ... + 21875.

It is an arithmetic number, because the mean of its divisors is an integer number (39858027).

Almost surely, 2^212532422 is an apocalyptic number.

212532422 is a deficient number, since it is larger than the sum of its proper divisors (106331794).

212532422 is a wasteful number, since it uses less digits than its factorization.

212532422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21862.

The product of its digits is 1920, while the sum is 23.

The square root of 212532422 is about 14578.4917601239. The cubic root of 212532422 is about 596.7719435278.

Adding to 212532422 its reverse (224235212), we get a palindrome (436767634).

The spelling of 212532422 in words is "two hundred twelve million, five hundred thirty-two thousand, four hundred twenty-two".