2238153121 has 2 divisors, whose sum is σ = 2238153122. Its totient is φ = 2238153120.

The previous prime is 2238153109. The next prime is 2238153143. The reversal of 2238153121 is 1213518322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2212761600 + 25391521 = 47040^2 + 5039^2 .

It is a cyclic number.

It is not a de Polignac number, because 2238153121 - 2⁷ = 2238152993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2238153121.

It is not a weakly prime, because it can be changed into another prime (2238153101) 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 as a sum of consecutive naturals, namely, 1119076560 + 1119076561.

It is an arithmetic number, because the mean of its divisors is an integer number (1119076561).

Almost surely, 2^2238153121 is an apocalyptic number.

It is an amenable number.

2238153121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2238153121 is an equidigital number, since it uses as much as digits as its factorization.

2238153121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 28.

The square root of 2238153121 is about 47309.1230208297. The cubic root of 2238153121 is about 1308.0668261721.

The spelling of 2238153121 in words is "two billion, two hundred thirty-eight million, one hundred fifty-three thousand, one hundred twenty-one".