212222104 has 24 divisors (see below), whose sum is σ = 415977660. Its totient is φ = 101495504.

The previous prime is 212222099. The next prime is 212222113. The reversal of 212222104 is 401222212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20842 + ... + 29305.

Almost surely, 2^212222104 is an apocalyptic number.

It is an amenable number.

212222104 is a deficient number, since it is larger than the sum of its proper divisors (203755556).

212222104 is a wasteful number, since it uses less digits than its factorization.

212222104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50199 (or 50172 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 212222104 is about 14567.8448646325. The cubic root of 212222104 is about 596.4813536988.

Adding to 212222104 its reverse (401222212), we get a palindrome (613444316).

The spelling of 212222104 in words is "two hundred twelve million, two hundred twenty-two thousand, one hundred four".