106642222 has 8 divisors (see below), whose sum is σ = 165479400. Its totient is φ = 51482424.

The previous prime is 106642199. The next prime is 106642223. The reversal of 106642222 is 222246601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×106642222² = 22745127026194568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106642223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919272 + ... + 919387.

It is an arithmetic number, because the mean of its divisors is an integer number (20684925).

Almost surely, 2^106642222 is an apocalyptic number.

106642222 is a deficient number, since it is larger than the sum of its proper divisors (58837178).

106642222 is a wasteful number, since it uses less digits than its factorization.

106642222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838690.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 106642222 is about 10326.7720997415. The cubic root of 106642222 is about 474.2162098846.

Adding to 106642222 its reverse (222246601), we get a palindrome (328888823).

The spelling of 106642222 in words is "one hundred six million, six hundred forty-two thousand, two hundred twenty-two".