22143034152425 has 12 divisors (see below), whose sum is σ = 27457927907520. Its totient is φ = 17714062445520.

The previous prime is 22143034152419. The next prime is 22143034152439. The reversal of 22143034152425 is 52425143034122.

It is not a de Polignac number, because 22143034152425 - 2⁴ = 22143034152409 is a prime.

It is a super-2 number, since 2×22143034152425² (a number of 27 digits) contains 22 as substring.

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, 7880597 + ... + 10314546.

It is an arithmetic number, because the mean of its divisors is an integer number (2288160658960).

Almost surely, 2^{22143034152425} is an apocalyptic number.

22143034152425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22143034152425 is a deficient number, since it is larger than the sum of its proper divisors (5314893755095).

22143034152425 is a wasteful number, since it uses less digits than its factorization.

22143034152425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18243832 (or 18243827 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 22143034152425 its reverse (52425143034122), we get a palindrome (74568177186547).

The spelling of 22143034152425 in words is "twenty-two trillion, one hundred forty-three billion, thirty-four million, one hundred fifty-two thousand, four hundred twenty-five".