102222797 has 2 divisors, whose sum is σ = 102222798. Its totient is φ = 102222796.

The previous prime is 102222781. The next prime is 102222803. The reversal of 102222797 is 797222201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93818596 + 8404201 = 9686^2 + 2899^2 .

It is an emirp because it is prime and its reverse (797222201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102222797 - 2⁴ = 102222781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102222727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51111398 + 51111399.

It is an arithmetic number, because the mean of its divisors is an integer number (51111399).

Almost surely, 2^102222797 is an apocalyptic number.

It is an amenable number.

102222797 is a deficient number, since it is larger than the sum of its proper divisors (1).

102222797 is an equidigital number, since it uses as much as digits as its factorization.

102222797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 102222797 is about 10110.5290168220. The cubic root of 102222797 is about 467.5728152569.

Adding to 102222797 its reverse (797222201), we get a palindrome (899444998).

The spelling of 102222797 in words is "one hundred two million, two hundred twenty-two thousand, seven hundred ninety-seven".