22212111220147 has 2 divisors, whose sum is σ = 22212111220148. Its totient is φ = 22212111220146.

The previous prime is 22212111220037. The next prime is 22212111220183. The reversal of 22212111220147 is 74102211121222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22212111220147 - 2¹⁵ = 22212111187379 is a prime.

It is not a weakly prime, because it can be changed into another prime (22212111220547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106055610073 + 11106055610074.

It is an arithmetic number, because the mean of its divisors is an integer number (11106055610074).

Almost surely, 2^{22212111220147} is an apocalyptic number.

22212111220147 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212111220147 is an equidigital number, since it uses as much as digits as its factorization.

22212111220147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 28.

Adding to 22212111220147 its reverse (74102211121222), we get a palindrome (96314322341369).

The spelling of 22212111220147 in words is "twenty-two trillion, two hundred twelve billion, one hundred eleven million, two hundred twenty thousand, one hundred forty-seven".