2231442553 has 2 divisors, whose sum is σ = 2231442554. Its totient is φ = 2231442552.

The previous prime is 2231442541. The next prime is 2231442569. The reversal of 2231442553 is 3552441322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2013496384 + 217946169 = 44872^2 + 14763^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231442553 - 2⁹ = 2231442041 is a prime.

It is a super-3 number, since 3×2231442553³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2231442503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115721276 + 1115721277.

It is an arithmetic number, because the mean of its divisors is an integer number (1115721277).

Almost surely, 2^2231442553 is an apocalyptic number.

It is an amenable number.

2231442553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231442553 is an equidigital number, since it uses as much as digits as its factorization.

2231442553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 31.

The square root of 2231442553 is about 47238.1472223456. The cubic root of 2231442553 is about 1306.7582087039.

Adding to 2231442553 its reverse (3552441322), we get a palindrome (5783883875).

The spelling of 2231442553 in words is "two billion, two hundred thirty-one million, four hundred forty-two thousand, five hundred fifty-three".