223040402 has 8 divisors (see below), whose sum is σ = 360296076. Its totient is φ = 102941712.

The previous prime is 223040401. The next prime is 223040413. The reversal of 223040402 is 204040322.

223040402 is digitally balanced in base 2, because in such base 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 176650681 + 46389721 = 13291^2 + 6811^2 .

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

It is not an unprimeable number, because it can be changed into a prime (223040401) 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, 4289213 + ... + 4289264.

Almost surely, 2^223040402 is an apocalyptic number.

223040402 is a deficient number, since it is larger than the sum of its proper divisors (137255674).

223040402 is a wasteful number, since it uses less digits than its factorization.

223040402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8578492.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 223040402 is about 14934.5372208181. The cubic root of 223040402 is about 606.4493194902.

Adding to 223040402 its reverse (204040322), we get a palindrome (427080724).

The spelling of 223040402 in words is "two hundred twenty-three million, forty thousand, four hundred two".