188474146226 has 4 divisors (see below), whose sum is σ = 282711219342. Its totient is φ = 94237073112.

The previous prime is 188474146193. The next prime is 188474146249. The reversal of 188474146226 is 622641474881.

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., 175364125225 + 13110021001 = 418765^2 + 114499^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47118536555 + ... + 47118536558.

Almost surely, 2^188474146226 is an apocalyptic number.

188474146226 is a deficient number, since it is larger than the sum of its proper divisors (94237073116).

188474146226 is an equidigital number, since it uses as much as digits as its factorization.

188474146226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94237073115.

The product of its digits is 4128768, while the sum is 53.

The spelling of 188474146226 in words is "one hundred eighty-eight billion, four hundred seventy-four million, one hundred forty-six thousand, two hundred twenty-six".