223215433466 has 4 divisors (see below), whose sum is σ = 334823150202. Its totient is φ = 111607716732.

The previous prime is 223215433453. The next prime is 223215433487. The reversal of 223215433466 is 664334512322.

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

It can be written as a sum of positive squares in only one way, i.e., 200135443225 + 23079990241 = 447365^2 + 151921^2 .

It is a super-3 number, since 3×223215433466³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55803858365 + ... + 55803858368.

Almost surely, 2^223215433466 is an apocalyptic number.

223215433466 is a deficient number, since it is larger than the sum of its proper divisors (111607716736).

223215433466 is a wasteful number, since it uses less digits than its factorization.

223215433466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111607716735.

The product of its digits is 622080, while the sum is 41.

Adding to 223215433466 its reverse (664334512322), we get a palindrome (887549945788).

The spelling of 223215433466 in words is "two hundred twenty-three billion, two hundred fifteen million, four hundred thirty-three thousand, four hundred sixty-six".