223254992 has 20 divisors (see below), whose sum is σ = 447473220. Its totient is φ = 107778048.

The previous prime is 223254991. The next prime is 223255001. The reversal of 223254992 is 299452322.

223254992 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 146797456 + 76457536 = 12116^2 + 8744^2 .

It is a super-3 number, since 3×223254992³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223254991) 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, 240113 + ... + 241040.

It is an arithmetic number, because the mean of its divisors is an integer number (22373661).

Almost surely, 2^223254992 is an apocalyptic number.

It is an amenable number.

223254992 is an abundant number, since it is smaller than the sum of its proper divisors (224218228).

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

223254992 is a wasteful number, since it uses less digits than its factorization.

223254992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481190 (or 481184 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 223254992 is about 14941.7198474607. The cubic root of 223254992 is about 606.6437480105.

The spelling of 223254992 in words is "two hundred twenty-three million, two hundred fifty-four thousand, nine hundred ninety-two".