25022939794 has 8 divisors (see below), whose sum is σ = 37829956608. Its totient is φ = 12412954260.

The previous prime is 25022939791. The next prime is 25022939881. The reversal of 25022939794 is 49793922052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×25022939794² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25022939791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49257502 + ... + 49258009.

It is an arithmetic number, because the mean of its divisors is an integer number (4728744576).

Almost surely, 2^25022939794 is an apocalyptic number.

25022939794 is a deficient number, since it is larger than the sum of its proper divisors (12807016814).

25022939794 is a wasteful number, since it uses less digits than its factorization.

25022939794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98515640.

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 25022939794 in words is "twenty-five billion, twenty-two million, nine hundred thirty-nine thousand, seven hundred ninety-four".