223228938 has 32 divisors (see below), whose sum is σ = 493278336. Its totient is φ = 66987008.

The previous prime is 223228909. The next prime is 223228939. The reversal of 223228938 is 839822322.

It is a super-3 number, since 3×223228938³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223228896 and 223228905.

It is not an unprimeable number, because it can be changed into a prime (223228939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45231 + ... + 49922.

It is an arithmetic number, because the mean of its divisors is an integer number (15414948).

Almost surely, 2^223228938 is an apocalyptic number.

223228938 is an abundant number, since it is smaller than the sum of its proper divisors (270049398).

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

223228938 is a wasteful number, since it uses less digits than its factorization.

223228938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95198.

The product of its digits is 82944, while the sum is 39.

The square root of 223228938 is about 14940.8479679033. The cubic root of 223228938 is about 606.6201485216.

The spelling of 223228938 in words is "two hundred twenty-three million, two hundred twenty-eight thousand, nine hundred thirty-eight".