223161451 has 2 divisors, whose sum is σ = 223161452. Its totient is φ = 223161450.

The previous prime is 223161439. The next prime is 223161469. The reversal of 223161451 is 154161322.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223161451 is a prime.

It is a super-3 number, since 3×223161451³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223161481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111580725 + 111580726.

It is an arithmetic number, because the mean of its divisors is an integer number (111580726).

Almost surely, 2^223161451 is an apocalyptic number.

223161451 is a deficient number, since it is larger than the sum of its proper divisors (1).

223161451 is an equidigital number, since it uses as much as digits as its factorization.

223161451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 223161451 is about 14938.5893242970. The cubic root of 223161451 is about 606.5590108385.

The spelling of 223161451 in words is "two hundred twenty-three million, one hundred sixty-one thousand, four hundred fifty-one".