223223151 has 4 divisors (see below), whose sum is σ = 297630872. Its totient is φ = 148815432.

The previous prime is 223223129. The next prime is 223223167. The reversal of 223223151 is 151322322.

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

It is not a de Polignac number, because 223223151 - 2⁷ = 223223023 is a prime.

It is a super-3 number, since 3×223223151³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223223551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37203856 + ... + 37203861.

It is an arithmetic number, because the mean of its divisors is an integer number (74407718).

Almost surely, 2^223223151 is an apocalyptic number.

223223151 is a deficient number, since it is larger than the sum of its proper divisors (74407721).

223223151 is an equidigital number, since it uses as much as digits as its factorization.

223223151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74407720.

The product of its digits is 720, while the sum is 21.

The square root of 223223151 is about 14940.6543029414. The cubic root of 223223151 is about 606.6149064576.

Adding to 223223151 its reverse (151322322), we get a palindrome (374545473).

The spelling of 223223151 in words is "two hundred twenty-three million, two hundred twenty-three thousand, one hundred fifty-one".