106728226 has 16 divisors (see below), whose sum is σ = 180281088. Its totient is φ = 46947600.

The previous prime is 106728221. The next prime is 106728229. The reversal of 106728226 is 622827601.

It is a super-2 number, since 2×106728226² = 22781828450214152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106728191 and 106728200.

It is not an unprimeable number, because it can be changed into a prime (106728221) 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, 77565 + ... + 78928.

It is an arithmetic number, because the mean of its divisors is an integer number (11267568).

Almost surely, 2^106728226 is an apocalyptic number.

106728226 is a deficient number, since it is larger than the sum of its proper divisors (73552862).

106728226 is a wasteful number, since it uses less digits than its factorization.

106728226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156537.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 106728226 is about 10330.9353884341. The cubic root of 106728226 is about 474.3436563787.

The spelling of 106728226 in words is "one hundred six million, seven hundred twenty-eight thousand, two hundred twenty-six".