2216226233331 has 12 divisors (see below), whose sum is σ = 3492235276920. Its totient is φ = 1343167414080.

The previous prime is 2216226233269. The next prime is 2216226233339. The reversal of 2216226233331 is 1333326226122.

It is a happy number.

2216226233331 is a `hidden beast` number, since 2 + 2 + 1 + 6 + 22 + 623 + 3 + 3 + 3 + 1 = 666.

It is not a de Polignac number, because 2216226233331 - 2¹⁰ = 2216226232307 is a prime.

It is a super-2 number, since 2×2216226233331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2216226233339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11193061686 + ... + 11193061883.

It is an arithmetic number, because the mean of its divisors is an integer number (291019606410).

Almost surely, 2^{2216226233331} is an apocalyptic number.

2216226233331 is a deficient number, since it is larger than the sum of its proper divisors (1276009043589).

2216226233331 is a wasteful number, since it uses less digits than its factorization.

2216226233331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22386123586 (or 22386123583 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The spelling of 2216226233331 in words is "two trillion, two hundred sixteen billion, two hundred twenty-six million, two hundred thirty-three thousand, three hundred thirty-one".