22205461525456 has 80 divisors (see below), whose sum is σ = 47459535966720. Its totient is φ = 9980776391040.

The previous prime is 22205461525433. The next prime is 22205461525519. The reversal of 22205461525456 is 65452516450222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9223285 + ... + 11378923.

It is an arithmetic number, because the mean of its divisors is an integer number (593244199584).

Almost surely, 2^{22205461525456} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22205461525456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23729767983360).

22205461525456 is an abundant number, since it is smaller than the sum of its proper divisors (25254074441264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22205461525456 is a wasteful number, since it uses less digits than its factorization.

22205461525456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156312 (or 2156306 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 49.

Adding to 22205461525456 its reverse (65452516450222), we get a palindrome (87657977975678).

The spelling of 22205461525456 in words is "twenty-two trillion, two hundred five billion, four hundred sixty-one million, five hundred twenty-five thousand, four hundred fifty-six".