10122222 has 32 divisors (see below), whose sum is σ = 22314240. Its totient is φ = 3035520.

The previous prime is 10122221. The next prime is 10122223. The reversal of 10122222 is 22222101.

It is an interprime number because it is at equal distance from previous prime (10122221) and next prime (10122223).

10122222 is a modest number, since divided by 2222 gives 1012 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 10122198 and 10122207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6054 + ... + 7542.

It is an arithmetic number, because the mean of its divisors is an integer number (697320).

Almost surely, 2^10122222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10122222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11157120).

10122222 is an abundant number, since it is smaller than the sum of its proper divisors (12192018).

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

10122222 is a wasteful number, since it uses less digits than its factorization.

10122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608.

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

The square root of 10122222 is about 3181.5439648070. The cubic root of 10122222 is about 216.3176482089.

Adding to 10122222 its reverse (22222101), we get a palindrome (32344323).

It can be divided in two parts, 101 and 22222, that multiplied together give a palindrome (2244422).

The spelling of 10122222 in words is "ten million, one hundred twenty-two thousand, two hundred twenty-two".