223242055 has 4 divisors (see below), whose sum is σ = 267890472. Its totient is φ = 178593640.

The previous prime is 223242037. The next prime is 223242059. The reversal of 223242055 is 550242322.

It is a happy number.

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

It is not a de Polignac number, because 223242055 - 2¹³ = 223233863 is a prime.

It is a super-3 number, since 3×223242055³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223242059) 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, 22324201 + ... + 22324210.

It is an arithmetic number, because the mean of its divisors is an integer number (66972618).

Almost surely, 2^223242055 is an apocalyptic number.

223242055 is a deficient number, since it is larger than the sum of its proper divisors (44648417).

223242055 is an equidigital number, since it uses as much as digits as its factorization.

223242055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44648416.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 223242055 is about 14941.2869258307. The cubic root of 223242055 is about 606.6320300168.

Adding to 223242055 its reverse (550242322), we get a palindrome (773484377).

The spelling of 223242055 in words is "two hundred twenty-three million, two hundred forty-two thousand, fifty-five".