472166223 has 4 divisors (see below), whose sum is σ = 629554968. Its totient is φ = 314777480.

The previous prime is 472166171. The next prime is 472166243. The reversal of 472166223 is 322661274.

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

It is a cyclic number.

It is not a de Polignac number, because 472166223 - 2¹² = 472162127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472166243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78694368 + ... + 78694373.

It is an arithmetic number, because the mean of its divisors is an integer number (157388742).

Almost surely, 2^472166223 is an apocalyptic number.

472166223 is a deficient number, since it is larger than the sum of its proper divisors (157388745).

472166223 is a wasteful number, since it uses less digits than its factorization.

472166223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157388744.

The product of its digits is 24192, while the sum is 33.

The square root of 472166223 is about 21729.3861625219. The cubic root of 472166223 is about 778.6906715355.

The spelling of 472166223 in words is "four hundred seventy-two million, one hundred sixty-six thousand, two hundred twenty-three".