25224425234 has 16 divisors (see below), whose sum is σ = 37985117568. Its totient is φ = 12562778592.

The previous prime is 25224425231. The next prime is 25224425249. The reversal of 25224425234 is 43252442252.

It is a junction number, because it is equal to n+sod(n) for n = 25224425194 and 25224425203.

It is not an unprimeable number, because it can be changed into a prime (25224425231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891899 + ... + 919745.

It is an arithmetic number, because the mean of its divisors is an integer number (2374069848).

Almost surely, 2^25224425234 is an apocalyptic number.

25224425234 is a deficient number, since it is larger than the sum of its proper divisors (12760692334).

25224425234 is a wasteful number, since it uses less digits than its factorization.

25224425234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29609.

The product of its digits is 153600, while the sum is 35.

Adding to 25224425234 its reverse (43252442252), we get a palindrome (68476867486).

The spelling of 25224425234 in words is "twenty-five billion, two hundred twenty-four million, four hundred twenty-five thousand, two hundred thirty-four".