242226629 has 4 divisors (see below), whose sum is σ = 245544876. Its totient is φ = 238908384.

The previous prime is 242226623. The next prime is 242226661. The reversal of 242226629 is 926622242.

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 59706529 + 182520100 = 7727^2 + 13510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242226629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242226623) 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, 1659014 + ... + 1659159.

It is an arithmetic number, because the mean of its divisors is an integer number (61386219).

Almost surely, 2^242226629 is an apocalyptic number.

It is an amenable number.

242226629 is a deficient number, since it is larger than the sum of its proper divisors (3318247).

242226629 is an equidigital number, since it uses as much as digits as its factorization.

242226629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318246.

The product of its digits is 41472, while the sum is 35.

The square root of 242226629 is about 15563.6316134763. The cubic root of 242226629 is about 623.3624365783.

The spelling of 242226629 in words is "two hundred forty-two million, two hundred twenty-six thousand, six hundred twenty-nine".