115620226 has 4 divisors (see below), whose sum is σ = 173430342. Its totient is φ = 57810112.

The previous prime is 115620223. The next prime is 115620229. The reversal of 115620226 is 622026511.

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

It is an interprime number because it is at equal distance from previous prime (115620223) and next prime (115620229).

It can be written as a sum of positive squares in only one way, i.e., 90269001 + 25351225 = 9501^2 + 5035^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 115620226.

It is not an unprimeable number, because it can be changed into a prime (115620221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28905055 + ... + 28905058.

Almost surely, 2^115620226 is an apocalyptic number.

115620226 is a deficient number, since it is larger than the sum of its proper divisors (57810116).

115620226 is an equidigital number, since it uses as much as digits as its factorization.

115620226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57810115.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 115620226 is about 10752.6845950209. The cubic root of 115620226 is about 487.1670850856.

Adding to 115620226 its reverse (622026511), we get a palindrome (737646737).

The spelling of 115620226 in words is "one hundred fifteen million, six hundred twenty thousand, two hundred twenty-six".