25020922 has 4 divisors (see below), whose sum is σ = 37531386. Its totient is φ = 12510460.

The previous prime is 25020901. The next prime is 25020943. The reversal of 25020922 is 22902052.

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

It is an interprime number because it is at equal distance from previous prime (25020901) and next prime (25020943).

It can be written as a sum of positive squares in only one way, i.e., 15280281 + 9740641 = 3909^2 + 3121^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 25020893 and 25020902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6255229 + ... + 6255232.

Almost surely, 2^25020922 is an apocalyptic number.

25020922 is a deficient number, since it is larger than the sum of its proper divisors (12510464).

25020922 is a wasteful number, since it uses less digits than its factorization.

25020922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12510463.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 25020922 is about 5002.0917624530. The cubic root of 25020922 is about 292.4833194764.

Adding to 25020922 its reverse (22902052), we get a palindrome (47922974).

The spelling of 25020922 in words is "twenty-five million, twenty thousand, nine hundred twenty-two".