10212222 has 32 divisors (see below), whose sum is σ = 21182112. Its totient is φ = 3279744.

The previous prime is 10212203. The next prime is 10212233. The reversal of 10212222 is 22221201.

It is a junction number, because it is equal to n+sod(n) for n = 10212198 and 10212207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34708 + ... + 35000.

It is an arithmetic number, because the mean of its divisors is an integer number (661941).

Almost surely, 2^10212222 is an apocalyptic number.

10212222 is an abundant number, since it is smaller than the sum of its proper divisors (10969890).

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

10212222 is a wasteful number, since it uses less digits than its factorization.

10212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 10212222 is about 3195.6567400145. The cubic root of 10212222 is about 216.9568744954.

Adding to 10212222 its reverse (22221201), we get a palindrome (32433423).

The spelling of 10212222 in words is "ten million, two hundred twelve thousand, two hundred twenty-two".