240181229 has 2 divisors, whose sum is σ = 240181230. Its totient is φ = 240181228.

The previous prime is 240181199. The next prime is 240181243. The reversal of 240181229 is 922181042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121044004 + 119137225 = 11002^2 + 10915^2 .

It is a cyclic number.

It is not a de Polignac number, because 240181229 - 2¹⁶ = 240115693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240181129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120090614 + 120090615.

It is an arithmetic number, because the mean of its divisors is an integer number (120090615).

Almost surely, 2^240181229 is an apocalyptic number.

It is an amenable number.

240181229 is a deficient number, since it is larger than the sum of its proper divisors (1).

240181229 is an equidigital number, since it uses as much as digits as its factorization.

240181229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 240181229 is about 15497.7814218681. The cubic root of 240181229 is about 621.6028842346.

The spelling of 240181229 in words is "two hundred forty million, one hundred eighty-one thousand, two hundred twenty-nine".