25522245324 has 36 divisors (see below), whose sum is σ = 65423226960. Its totient is φ = 8387591520.

The previous prime is 25522245293. The next prime is 25522245391. The reversal of 25522245324 is 42354222552.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4990059 + ... + 4995170.

It is an arithmetic number, because the mean of its divisors is an integer number (1817311860).

Almost surely, 2^25522245324 is an apocalyptic number.

It is an amenable number.

25522245324 is an abundant number, since it is smaller than the sum of its proper divisors (39900981636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25522245324 is a wasteful number, since it uses less digits than its factorization.

25522245324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9985310 (or 9985305 counting only the distinct ones).

The product of its digits is 192000, while the sum is 36.

Adding to 25522245324 its reverse (42354222552), we get a palindrome (67876467876).

The spelling of 25522245324 in words is "twenty-five billion, five hundred twenty-two million, two hundred forty-five thousand, three hundred twenty-four".