222222292001 has 2 divisors, whose sum is σ = 222222292002. Its totient is φ = 222222292000.

The previous prime is 222222291979. The next prime is 222222292067. The reversal of 222222292001 is 100292222222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217903173601 + 4319118400 = 466801^2 + 65720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222222292001 is a prime.

It is not a weakly prime, because it can be changed into another prime (222222292091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111111146000 + 111111146001.

It is an arithmetic number, because the mean of its divisors is an integer number (111111146001).

Almost surely, 2^222222292001 is an apocalyptic number.

It is an amenable number.

222222292001 is a deficient number, since it is larger than the sum of its proper divisors (1).

222222292001 is an equidigital number, since it uses as much as digits as its factorization.

222222292001 is an evil number, because the sum of its binary digits is even.

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

The spelling of 222222292001 in words is "two hundred twenty-two billion, two hundred twenty-two million, two hundred ninety-two thousand, one".