25220854 has 16 divisors (see below), whose sum is σ = 38328192. Its totient is φ = 12446208.

The previous prime is 25220851. The next prime is 25220861. The reversal of 25220854 is 45802252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25220851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85932 + ... + 86224.

It is an arithmetic number, because the mean of its divisors is an integer number (2395512).

Almost surely, 2^25220854 is an apocalyptic number.

25220854 is a deficient number, since it is larger than the sum of its proper divisors (13107338).

25220854 is a wasteful number, since it uses less digits than its factorization.

25220854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 25220854 is about 5022.0368377781. The cubic root of 25220854 is about 293.2602920182.

The spelling of 25220854 in words is "twenty-five million, two hundred twenty thousand, eight hundred fifty-four".