222112405353252 has 24 divisors (see below), whose sum is σ = 518262752379232. Its totient is φ = 74037400848000.

The previous prime is 222112405353109. The next prime is 222112405353259. The reversal of 222112405353252 is 252353504211222.

It is a super-2 number, since 2×222112405353252² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222112405353252.

It is not an unprimeable number, because it can be changed into a prime (222112405353259) 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, 6264252 + ... + 21987852.

Almost surely, 2^{222112405353252} is an apocalyptic number.

It is an amenable number.

222112405353252 is an abundant number, since it is smaller than the sum of its proper divisors (296150347025980).

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

222112405353252 is a wasteful number, since it uses less digits than its factorization.

222112405353252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16900779 (or 16900777 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 222112405353252 its reverse (252353504211222), we get a palindrome (474465909564474).

The spelling of 222112405353252 in words is "two hundred twenty-two trillion, one hundred twelve billion, four hundred five million, three hundred fifty-three thousand, two hundred fifty-two".