25222541233 has 2 divisors, whose sum is σ = 25222541234. Its totient is φ = 25222541232.

The previous prime is 25222541203. The next prime is 25222541257. The reversal of 25222541233 is 33214522252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24835553649 + 386987584 = 157593^2 + 19672^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25222541233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25222541195 and 25222541204.

It is not a weakly prime, because it can be changed into another prime (25222541203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12611270616 + 12611270617.

It is an arithmetic number, because the mean of its divisors is an integer number (12611270617).

Almost surely, 2^25222541233 is an apocalyptic number.

It is an amenable number.

25222541233 is a deficient number, since it is larger than the sum of its proper divisors (1).

25222541233 is an equidigital number, since it uses as much as digits as its factorization.

25222541233 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 spelling of 25222541233 in words is "twenty-five billion, two hundred twenty-two million, five hundred forty-one thousand, two hundred thirty-three".