22135245540025 has 12 divisors (see below), whose sum is σ = 27480893980752. Its totient is φ = 17686783844240.

The previous prime is 22135245539987. The next prime is 22135245540137. The reversal of 22135245540025 is 52004554253122.

It is not a de Polignac number, because 22135245540025 - 2¹⁵ = 22135245507257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22135245540025.

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, 535293607 + ... + 535334956.

It is an arithmetic number, because the mean of its divisors is an integer number (2290074498396).

Almost surely, 2^{22135245540025} is an apocalyptic number.

22135245540025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22135245540025 is a deficient number, since it is larger than the sum of its proper divisors (5345648440727).

22135245540025 is a wasteful number, since it uses less digits than its factorization.

22135245540025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070629400 (or 1070629395 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 22135245540025 its reverse (52004554253122), we get a palindrome (74139799793147).

The spelling of 22135245540025 in words is "twenty-two trillion, one hundred thirty-five billion, two hundred forty-five million, five hundred forty thousand, twenty-five".