4472666194 has 4 divisors (see below), whose sum is σ = 6708999294. Its totient is φ = 2236333096.

The previous prime is 4472666183. The next prime is 4472666197. The reversal of 4472666194 is 4916662744.

It is a happy number.

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., 4298769225 + 173896969 = 65565^2 + 13187^2 .

It is not an unprimeable number, because it can be changed into a prime (4472666197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1118166547 + ... + 1118166550.

Almost surely, 2^4472666194 is an apocalyptic number.

4472666194 is a deficient number, since it is larger than the sum of its proper divisors (2236333100).

4472666194 is a wasteful number, since it uses less digits than its factorization.

4472666194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236333099.

The product of its digits is 1741824, while the sum is 49.

The square root of 4472666194 is about 66877.9948413527. The cubic root of 4472666194 is about 1647.6140837748.

The spelling of 4472666194 in words is "four billion, four hundred seventy-two million, six hundred sixty-six thousand, one hundred ninety-four".