108780226 has 4 divisors (see below), whose sum is σ = 163170342. Its totient is φ = 54390112.

The previous prime is 108780223. The next prime is 108780227. The reversal of 108780226 is 622087801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 108056025 + 724201 = 10395^2 + 851^2 .

It is a super-2 number, since 2×108780226² = 23666275137222152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 108780191 and 108780200.

It is not an unprimeable number, because it can be changed into a prime (108780223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27195055 + ... + 27195058.

Almost surely, 2^108780226 is an apocalyptic number.

108780226 is a deficient number, since it is larger than the sum of its proper divisors (54390116).

108780226 is an equidigital number, since it uses as much as digits as its factorization.

108780226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54390115.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 108780226 is about 10429.7759323966. The cubic root of 108780226 is about 477.3643535277.

The spelling of 108780226 in words is "one hundred eight million, seven hundred eighty thousand, two hundred twenty-six".