22220656340736 has 648 divisors, whose sum is σ = 73226877887856. Its totient is φ = 5963262197760.

The previous prime is 22220656340731. The next prime is 22220656340737. The reversal of 22220656340736 is 63704365602222.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220656340731) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6275247126 + ... + 6275250666.

Almost surely, 2^{22220656340736} 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 22220656340736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36613438943928).

22220656340736 is an abundant number, since it is smaller than the sum of its proper divisors (51006221547120).

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

22220656340736 is a wasteful number, since it uses less digits than its factorization.

22220656340736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185 (or 4147 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 48.

The spelling of 22220656340736 in words is "twenty-two trillion, two hundred twenty billion, six hundred fifty-six million, three hundred forty thousand, seven hundred thirty-six".