25201022 has 16 divisors (see below), whose sum is σ = 47129472. Its totient is φ = 9818520.

The previous prime is 25200979. The next prime is 25201027. The reversal of 25201022 is 22010252.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 25200988 and 25201006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25201027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81668 + ... + 81975.

It is an arithmetic number, because the mean of its divisors is an integer number (2945592).

Almost surely, 2^25201022 is an apocalyptic number.

25201022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25201022 is a deficient number, since it is larger than the sum of its proper divisors (21928450).

25201022 is a wasteful number, since it uses less digits than its factorization.

25201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163663.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 25201022 is about 5020.0619518090. The cubic root of 25201022 is about 293.1834050738.

Adding to 25201022 its reverse (22010252), we get a palindrome (47211274).

The spelling of 25201022 in words is "twenty-five million, two hundred one thousand, twenty-two".