223072401 has 4 divisors (see below), whose sum is σ = 297429872. Its totient is φ = 148714932.

The previous prime is 223072393. The next prime is 223072403. The reversal of 223072401 is 104270322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 223072401 - 2³ = 223072393 is a prime.

It is a super-3 number, since 3×223072401³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223072403) 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 3 ways as a sum of consecutive naturals, for example, 37178731 + ... + 37178736.

It is an arithmetic number, because the mean of its divisors is an integer number (74357468).

Almost surely, 2^223072401 is an apocalyptic number.

It is an amenable number.

223072401 is a deficient number, since it is larger than the sum of its proper divisors (74357471).

223072401 is an equidigital number, since it uses as much as digits as its factorization.

223072401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74357470.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 223072401 is about 14935.6084911195. The cubic root of 223072401 is about 606.4783199816.

The spelling of 223072401 in words is "two hundred twenty-three million, seventy-two thousand, four hundred one".