222153852446228 has 18 divisors (see below), whose sum is σ = 406407165797514. Its totient is φ = 106247494647184.

The previous prime is 222153852446221. The next prime is 222153852446347. The reversal of 222153852446228 is 822644258351222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 142797433244944 + 79356419201284 = 11949788^2 + 8908222^2 .

It is a super-3 number, since 3×222153852446228³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222153852446221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52493819351 + ... + 52493823582.

Almost surely, 2^{222153852446228} is an apocalyptic number.

It is an amenable number.

222153852446228 is a deficient number, since it is larger than the sum of its proper divisors (184253313351286).

222153852446228 is a wasteful number, since it uses less digits than its factorization.

222153852446228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104987642983 (or 104987642958 counting only the distinct ones).

The product of its digits is 29491200, while the sum is 56.

The spelling of 222153852446228 in words is "two hundred twenty-two trillion, one hundred fifty-three billion, eight hundred fifty-two million, four hundred forty-six thousand, two hundred twenty-eight".