222212222801 has 2 divisors, whose sum is σ = 222212222802. Its totient is φ = 222212222800.

The previous prime is 222212222767. The next prime is 222212222803. The reversal of 222212222801 is 108222212222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160280923201 + 61931299600 = 400351^2 + 248860^2 .

It is a cyclic number.

It is not a de Polignac number, because 222212222801 - 2⁶ = 222212222737 is a prime.

It is a super-2 number, since 2×222212222801² (a number of 23 digits) contains 22 as substring.

Together with 222212222803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222212222803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111106111400 + 111106111401.

It is an arithmetic number, because the mean of its divisors is an integer number (111106111401).

Almost surely, 2^222212222801 is an apocalyptic number.

It is an amenable number.

222212222801 is a deficient number, since it is larger than the sum of its proper divisors (1).

222212222801 is an equidigital number, since it uses as much as digits as its factorization.

222212222801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2048, while the sum is 26.

The spelling of 222212222801 in words is "two hundred twenty-two billion, two hundred twelve million, two hundred twenty-two thousand, eight hundred one".