2212111233224 has 8 divisors (see below), whose sum is σ = 4147708562310. Its totient is φ = 1106055616608.

The previous prime is 2212111233223. The next prime is 2212111233229. The reversal of 2212111233224 is 4223321112122.

It can be written as a sum of positive squares in only one way, i.e., 1153866969124 + 1058244264100 = 1074182^2 + 1028710^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2212111233224² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2212111233193 and 2212111233202.

It is not an unprimeable number, because it can be changed into a prime (2212111233221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138256952069 + ... + 138256952084.

Almost surely, 2^{2212111233224} is an apocalyptic number.

It is an amenable number.

2212111233224 is a deficient number, since it is larger than the sum of its proper divisors (1935597329086).

2212111233224 is a wasteful number, since it uses less digits than its factorization.

2212111233224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276513904159 (or 276513904155 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

Adding to 2212111233224 its reverse (4223321112122), we get a palindrome (6435432345346).

The spelling of 2212111233224 in words is "two trillion, two hundred twelve billion, one hundred eleven million, two hundred thirty-three thousand, two hundred twenty-four".