222550954752 has 144 divisors (see below), whose sum is σ = 677214155520. Its totient is φ = 63558905856.

The previous prime is 222550954751. The next prime is 222550954763. The reversal of 222550954752 is 257459055222.

It is a happy number.

It is a super-2 number, since 2×222550954752² (a number of 23 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (222550954751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14986243 + ... + 15001085.

It is an arithmetic number, because the mean of its divisors is an integer number (4702876080).

Almost surely, 2^222550954752 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 222550954752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338607077760).

222550954752 is an abundant number, since it is smaller than the sum of its proper divisors (454663200768).

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

222550954752 is a wasteful number, since it uses less digits than its factorization.

222550954752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17658 (or 17644 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 48.

The spelling of 222550954752 in words is "two hundred twenty-two billion, five hundred fifty million, nine hundred fifty-four thousand, seven hundred fifty-two".