477222220 has 12 divisors (see below), whose sum is σ = 1002166704. Its totient is φ = 190888880.

The previous prime is 477222217. The next prime is 477222223. The reversal of 477222220 is 22222774.

It is an interprime number because it is at equal distance from previous prime (477222217) and next prime (477222223).

It is not an unprimeable number, because it can be changed into a prime (477222223) 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, 11930536 + ... + 11930575.

It is an arithmetic number, because the mean of its divisors is an integer number (83513892).

Almost surely, 2^477222220 is an apocalyptic number.

It is an amenable number.

477222220 is an abundant number, since it is smaller than the sum of its proper divisors (524944484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

477222220 is a wasteful number, since it uses less digits than its factorization.

477222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23861120 (or 23861118 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 477222220 is about 21845.4164528855. The cubic root of 477222220 is about 781.4602385013.

Adding to 477222220 its reverse (22222774), we get a palindrome (499444994).

The spelling of 477222220 in words is "four hundred seventy-seven million, two hundred twenty-two thousand, two hundred twenty".