25254722 has 4 divisors (see below), whose sum is σ = 37882086. Its totient is φ = 12627360.

The previous prime is 25254703. The next prime is 25254727. The reversal of 25254722 is 22745252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17631601 + 7623121 = 4199^2 + 2761^2 .

It is not an unprimeable number, because it can be changed into a prime (25254727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6313679 + ... + 6313682.

Almost surely, 2^25254722 is an apocalyptic number.

25254722 is a deficient number, since it is larger than the sum of its proper divisors (12627364).

25254722 is a wasteful number, since it uses less digits than its factorization.

25254722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12627363.

The product of its digits is 11200, while the sum is 29.

The square root of 25254722 is about 5025.4076451568. The cubic root of 25254722 is about 293.3915021809.

Adding to 25254722 its reverse (22745252), we get a palindrome (47999974).

The spelling of 25254722 in words is "twenty-five million, two hundred fifty-four thousand, seven hundred twenty-two".