10422222 has 16 divisors (see below), whose sum is σ = 21941760. Its totient is φ = 3291192.

The previous prime is 10422221. The next prime is 10422239. The reversal of 10422222 is 22222401.

It is a super-2 number, since 2×10422222² = 217245422834568, which contains 22 as substring.

10422222 is a modest number, since divided by 2222 gives 1042 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10422221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45598 + ... + 45825.

It is an arithmetic number, because the mean of its divisors is an integer number (1371360).

Almost surely, 2^10422222 is an apocalyptic number.

10422222 is an abundant number, since it is smaller than the sum of its proper divisors (11519538).

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

10422222 is a wasteful number, since it uses less digits than its factorization.

10422222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91447.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 10422222 is about 3228.3466356635. The cubic root of 10422222 is about 218.4339335297.

Adding to 10422222 its reverse (22222401), we get a palindrome (32644623).

The spelling of 10422222 in words is "ten million, four hundred twenty-two thousand, two hundred twenty-two".