223265380 has 24 divisors (see below), whose sum is σ = 504923832. Its totient is φ = 82436352.

The previous prime is 223265351. The next prime is 223265387. The reversal of 223265380 is 83562322.

It can be written as a sum of positive squares in 4 ways, for example, as 2802276 + 220463104 = 1674^2 + 14848^2 .

It is a super-3 number, since 3×223265380³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223265387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429097 + ... + 429616.

It is an arithmetic number, because the mean of its divisors is an integer number (21038493).

Almost surely, 2^223265380 is an apocalyptic number.

223265380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223265380 is an abundant number, since it is smaller than the sum of its proper divisors (281658452).

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

223265380 is a wasteful number, since it uses less digits than its factorization.

223265380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858735 (or 858733 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 223265380 is about 14942.0674606963. The cubic root of 223265380 is about 606.6531568595.

The spelling of 223265380 in words is "two hundred twenty-three million, two hundred sixty-five thousand, three hundred eighty".