25222045133 has 4 divisors (see below), whose sum is σ = 25382695260. Its totient is φ = 25061395008.

The previous prime is 25222045117. The next prime is 25222045151. The reversal of 25222045133 is 33154022252.

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 9342768964 + 15879276169 = 96658^2 + 126013^2 .

It is a cyclic number.

It is not a de Polignac number, because 25222045133 - 2⁴ = 25222045117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25222045096 and 25222045105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25222075133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80324828 + ... + 80325141.

It is an arithmetic number, because the mean of its divisors is an integer number (6345673815).

Almost surely, 2^25222045133 is an apocalyptic number.

It is an amenable number.

25222045133 is a deficient number, since it is larger than the sum of its proper divisors (160650127).

25222045133 is a wasteful number, since it uses less digits than its factorization.

25222045133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160650126.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 25222045133 its reverse (33154022252), we get a palindrome (58376067385).

The spelling of 25222045133 in words is "twenty-five billion, two hundred twenty-two million, forty-five thousand, one hundred thirty-three".