106722212 has 12 divisors (see below), whose sum is σ = 192788736. Its totient is φ = 51639720.

The previous prime is 106722211. The next prime is 106722241. The reversal of 106722212 is 212227601.

It is a happy number.

It is a super-2 number, since 2×106722212² = 22779261068345888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106722211) 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, 430208 + ... + 430455.

It is an arithmetic number, because the mean of its divisors is an integer number (16065728).

Almost surely, 2^106722212 is an apocalyptic number.

It is an amenable number.

106722212 is a deficient number, since it is larger than the sum of its proper divisors (86066524).

106722212 is a wasteful number, since it uses less digits than its factorization.

106722212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860698 (or 860696 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 106722212 is about 10330.6443167888. The cubic root of 106722212 is about 474.3347466571.

Adding to 106722212 its reverse (212227601), we get a palindrome (318949813).

The spelling of 106722212 in words is "one hundred six million, seven hundred twenty-two thousand, two hundred twelve".