2220022201997 has 2 divisors, whose sum is σ = 2220022201998. Its totient is φ = 2220022201996.

The previous prime is 2220022201979. The next prime is 2220022202011. The reversal of 2220022201997 is 7991022200222.

It is a happy number.

Together with previous prime (2220022201979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2132823655561 + 87198546436 = 1460419^2 + 295294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220022201997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2220022201997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220022201907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110011100998 + 1110011100999.

It is an arithmetic number, because the mean of its divisors is an integer number (1110011100999).

Almost surely, 2^{2220022201997} is an apocalyptic number.

It is an amenable number.

2220022201997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220022201997 is an equidigital number, since it uses as much as digits as its factorization.

2220022201997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 2220022201997 in words is "two trillion, two hundred twenty billion, twenty-two million, two hundred one thousand, nine hundred ninety-seven".