472220443 has 4 divisors (see below), whose sum is σ = 472341960. Its totient is φ = 472098928.

The previous prime is 472220431. The next prime is 472220467. The reversal of 472220443 is 344022274.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472220443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472220423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54730 + ... + 62767.

It is an arithmetic number, because the mean of its divisors is an integer number (118085490).

Almost surely, 2^472220443 is an apocalyptic number.

472220443 is a deficient number, since it is larger than the sum of its proper divisors (121517).

472220443 is a wasteful number, since it uses less digits than its factorization.

472220443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121516.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 472220443 is about 21730.6337459357. The cubic root of 472220443 is about 778.7204767116.

The spelling of 472220443 in words is "four hundred seventy-two million, two hundred twenty thousand, four hundred forty-three".