223120801 has 4 divisors (see below), whose sum is σ = 236245572. Its totient is φ = 209996032.

The previous prime is 223120789. The next prime is 223120823. The reversal of 223120801 is 108021322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 116618401 + 106502400 = 10799^2 + 10320^2 .

It is a cyclic number.

It is not a de Polignac number, because 223120801 - 2⁷ = 223120673 is a prime.

It is a super-3 number, since 3×223120801³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223120871) 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, 6562360 + ... + 6562393.

It is an arithmetic number, because the mean of its divisors is an integer number (59061393).

Almost surely, 2^223120801 is an apocalyptic number.

It is an amenable number.

223120801 is a deficient number, since it is larger than the sum of its proper divisors (13124771).

223120801 is a wasteful number, since it uses less digits than its factorization.

223120801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13124770.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 223120801 is about 14937.2286920968. The cubic root of 223120801 is about 606.5221793264.

It can be divided in two parts, 2231 and 20801, that added together give a palindrome (23032).

The spelling of 223120801 in words is "two hundred twenty-three million, one hundred twenty thousand, eight hundred one".