25522234004 has 12 divisors (see below), whose sum is σ = 46605818784. Its totient is φ = 12206285784.

The previous prime is 25522233991. The next prime is 25522234021. The reversal of 25522234004 is 40043222552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138707702 + ... + 138707885.

It is an arithmetic number, because the mean of its divisors is an integer number (3883818232).

Almost surely, 2^25522234004 is an apocalyptic number.

It is an amenable number.

25522234004 is a deficient number, since it is larger than the sum of its proper divisors (21083584780).

25522234004 is a wasteful number, since it uses less digits than its factorization.

25522234004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277415614 (or 277415612 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 25522234004 its reverse (40043222552), we get a palindrome (65565456556).

The spelling of 25522234004 in words is "twenty-five billion, five hundred twenty-two million, two hundred thirty-four thousand, four".