212322241 has 4 divisors (see below), whose sum is σ = 212512432. Its totient is φ = 212132052.

The previous prime is 212322239. The next prime is 212322259. The reversal of 212322241 is 142223212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212322241 - 2¹ = 212322239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212322211) 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, 93411 + ... + 95656.

It is an arithmetic number, because the mean of its divisors is an integer number (53128108).

Almost surely, 2^212322241 is an apocalyptic number.

It is an amenable number.

212322241 is a deficient number, since it is larger than the sum of its proper divisors (190191).

212322241 is a wasteful number, since it uses less digits than its factorization.

212322241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190190.

The product of its digits is 384, while the sum is 19.

The square root of 212322241 is about 14571.2813781081. The cubic root of 212322241 is about 596.5751555227.

Adding to 212322241 its reverse (142223212), we get a palindrome (354545453).

The spelling of 212322241 in words is "two hundred twelve million, three hundred twenty-two thousand, two hundred forty-one".