22225213560 has 64 divisors (see below), whose sum is σ = 72737066880. Its totient is φ = 5387930240.

The previous prime is 22225213553. The next prime is 22225213573. The reversal of 22225213560 is 6531252222.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 8417322 + ... + 8419961.

It is an arithmetic number, because the mean of its divisors is an integer number (1136516670).

Almost surely, 2^22225213560 is an apocalyptic number.

22225213560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22225213560 is an abundant number, since it is smaller than the sum of its proper divisors (50511853320).

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

22225213560 is a wasteful number, since it uses less digits than its factorization.

22225213560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16837308 (or 16837304 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 22225213560 its reverse (6531252222), we get a palindrome (28756465782).

The spelling of 22225213560 in words is "twenty-two billion, two hundred twenty-five million, two hundred thirteen thousand, five hundred sixty".