2221128311222 has 8 divisors (see below), whose sum is σ = 3439166417472. Its totient is φ = 1074739505400.

The previous prime is 2221128311201. The next prime is 2221128311251. The reversal of 2221128311222 is 2221138211222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2221128311222² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17912325029 + ... + 17912325152.

It is an arithmetic number, because the mean of its divisors is an integer number (429895802184).

Almost surely, 2^{2221128311222} is an apocalyptic number.

2221128311222 is a deficient number, since it is larger than the sum of its proper divisors (1218038106250).

2221128311222 is a wasteful number, since it uses less digits than its factorization.

2221128311222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35824650214.

The product of its digits is 3072, while the sum is 29.

The spelling of 2221128311222 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-eight million, three hundred eleven thousand, two hundred twenty-two".