212214244 has 24 divisors (see below), whose sum is σ = 406022400. Its totient is φ = 96250080.

The previous prime is 212214239. The next prime is 212214269. The reversal of 212214244 is 442412212.

It is a Harshad number since it is a multiple of its sum of digits (22).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16042 + ... + 26110.

It is an arithmetic number, because the mean of its divisors is an integer number (16917600).

Almost surely, 2^212214244 is an apocalyptic number.

It is an amenable number.

212214244 is a deficient number, since it is larger than the sum of its proper divisors (193808156).

212214244 is a wasteful number, since it uses less digits than its factorization.

212214244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10563 (or 10561 counting only the distinct ones).

The product of its digits is 1024, while the sum is 22.

The square root of 212214244 is about 14567.5750899043. The cubic root of 212214244 is about 596.4739897135.

Adding to 212214244 its reverse (442412212), we get a palindrome (654626456).

The spelling of 212214244 in words is "two hundred twelve million, two hundred fourteen thousand, two hundred forty-four".