25022324542 has 8 divisors (see below), whose sum is σ = 39165377616. Its totient is φ = 11967198672.

The previous prime is 25022324539. The next prime is 25022324603. The reversal of 25022324542 is 24542322052.

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

It is a super-2 number, since 2×25022324542² (a number of 22 digits) contains 22 as substring.

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, 271981743 + ... + 271981834.

It is an arithmetic number, because the mean of its divisors is an integer number (4895672202).

Almost surely, 2^25022324542 is an apocalyptic number.

25022324542 is a deficient number, since it is larger than the sum of its proper divisors (14143053074).

25022324542 is a wasteful number, since it uses less digits than its factorization.

25022324542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543963602.

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 25022324542 its reverse (24542322052), we get a palindrome (49564646594).

The spelling of 25022324542 in words is "twenty-five billion, twenty-two million, three hundred twenty-four thousand, five hundred forty-two".