2241397129 has 4 divisors (see below), whose sum is σ = 2242158084. Its totient is φ = 2240636176.

The previous prime is 2241397121. The next prime is 2241397133. The reversal of 2241397129 is 9217931422.

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 925376400 + 1316020729 = 30420^2 + 36277^2 .

It is a cyclic number.

It is not a de Polignac number, because 2241397129 - 2³ = 2241397121 is a prime.

It is a super-2 number, since 2×2241397129² = 10047722179778885282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2241397091 and 2241397100.

It is not an unprimeable number, because it can be changed into a prime (2241397121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376042 + ... + 381955.

It is an arithmetic number, because the mean of its divisors is an integer number (560539521).

Almost surely, 2^2241397129 is an apocalyptic number.

It is an amenable number.

2241397129 is a deficient number, since it is larger than the sum of its proper divisors (760955).

2241397129 is an equidigital number, since it uses as much as digits as its factorization.

2241397129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760954.

The product of its digits is 54432, while the sum is 40.

The square root of 2241397129 is about 47343.3958329987. The cubic root of 2241397129 is about 1308.6984973957.

The spelling of 2241397129 in words is "two billion, two hundred forty-one million, three hundred ninety-seven thousand, one hundred twenty-nine".