222428064576 has 56 divisors (see below), whose sum is σ = 593715677184. Its totient is φ = 73486551040.

The previous prime is 222428064557. The next prime is 222428064577. The reversal of 222428064576 is 675460824222.

It is a super-2 number, since 2×222428064576² (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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222428064577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5104320 + ... + 5147711.

It is an arithmetic number, because the mean of its divisors is an integer number (10602065664).

Almost surely, 2^222428064576 is an apocalyptic number.

It is an amenable number.

222428064576 is an abundant number, since it is smaller than the sum of its proper divisors (371287612608).

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

222428064576 is a wasteful number, since it uses less digits than its factorization.

222428064576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10252159 (or 10252149 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 48.

Adding to 222428064576 its reverse (675460824222), we get a palindrome (897888888798).

The spelling of 222428064576 in words is "two hundred twenty-two billion, four hundred twenty-eight million, sixty-four thousand, five hundred seventy-six".