223870082 has 8 divisors (see below), whose sum is σ = 347384700. Its totient is φ = 108075184.

The previous prime is 223870081. The next prime is 223870099. The reversal of 223870082 is 280078322.

It can be written as a sum of positive squares in 2 ways, for example, as 219069601 + 4800481 = 14801^2 + 2191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×223870082² = 100235627229373448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223870081) 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, 1929857 + ... + 1929972.

Almost surely, 2^223870082 is an apocalyptic number.

223870082 is a deficient number, since it is larger than the sum of its proper divisors (123514618).

223870082 is a wasteful number, since it uses less digits than its factorization.

223870082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3859860.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 223870082 is about 14962.2886618325. The cubic root of 223870082 is about 607.2003587022.

The spelling of 223870082 in words is "two hundred twenty-three million, eight hundred seventy thousand, eighty-two".