22525143254 has 4 divisors (see below), whose sum is σ = 33787714884. Its totient is φ = 11262571626.

The previous prime is 22525143247. The next prime is 22525143301. The reversal of 22525143254 is 45234152522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×22525143254² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5631285812 + ... + 5631285815.

It is an arithmetic number, because the mean of its divisors is an integer number (8446928721).

Almost surely, 2^22525143254 is an apocalyptic number.

22525143254 is a deficient number, since it is larger than the sum of its proper divisors (11262571630).

22525143254 is a wasteful number, since it uses less digits than its factorization.

22525143254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11262571629.

The product of its digits is 96000, while the sum is 35.

Adding to 22525143254 its reverse (45234152522), we get a palindrome (67759295776).

The spelling of 22525143254 in words is "twenty-two billion, five hundred twenty-five million, one hundred forty-three thousand, two hundred fifty-four".