22143012133225 has 36 divisors (see below), whose sum is σ = 29354104748800. Its totient is φ = 16551839505600.

The previous prime is 22143012133159. The next prime is 22143012133259. The reversal of 22143012133225 is 52233121034122.

It is a happy number.

It is not a de Polignac number, because 22143012133225 - 2¹³ = 22143012125033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16334925 + ... + 17638474.

Almost surely, 2^{22143012133225} is an apocalyptic number.

22143012133225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22143012133225 is a deficient number, since it is larger than the sum of its proper divisors (7211092615575).

22143012133225 is a wasteful number, since it uses less digits than its factorization.

22143012133225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33973498 (or 33973464 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 22143012133225 its reverse (52233121034122), we get a palindrome (74376133167347).

The spelling of 22143012133225 in words is "twenty-two trillion, one hundred forty-three billion, twelve million, one hundred thirty-three thousand, two hundred twenty-five".