222670228621 has 2 divisors, whose sum is σ = 222670228622. Its totient is φ = 222670228620.

The previous prime is 222670228579. The next prime is 222670228679. The reversal of 222670228621 is 126822076222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213180741225 + 9489487396 = 461715^2 + 97414^2 .

It is a cyclic number.

It is not a de Polignac number, because 222670228621 - 2¹¹ = 222670226573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222670220621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111335114310 + 111335114311.

It is an arithmetic number, because the mean of its divisors is an integer number (111335114311).

Almost surely, 2^222670228621 is an apocalyptic number.

It is an amenable number.

222670228621 is a deficient number, since it is larger than the sum of its proper divisors (1).

222670228621 is an equidigital number, since it uses as much as digits as its factorization.

222670228621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 222670228621 in words is "two hundred twenty-two billion, six hundred seventy million, two hundred twenty-eight thousand, six hundred twenty-one".