220423275 has 120 divisors (see below), whose sum is σ = 456421680. Its totient is φ = 104509440.

The previous prime is 220423271. The next prime is 220423297. The reversal of 220423275 is 572324022.

220423275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220423275 - 2² = 220423271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (220423271) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 653907 + ... + 654243.

It is an arithmetic number, because the mean of its divisors is an integer number (3803514).

Almost surely, 2^220423275 is an apocalyptic number.

220423275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

220423275 is an abundant number, since it is smaller than the sum of its proper divisors (235998405).

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

220423275 is a wasteful number, since it uses less digits than its factorization.

220423275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 220423275 is about 14846.6587150106. The cubic root of 220423275 is about 604.0679818735.

Adding to 220423275 its reverse (572324022), we get a palindrome (792747297).

The spelling of 220423275 in words is "two hundred twenty million, four hundred twenty-three thousand, two hundred seventy-five".