70222111 has 2 divisors, whose sum is σ = 70222112. Its totient is φ = 70222110.

The previous prime is 70222093. The next prime is 70222127. The reversal of 70222111 is 11122207.

It is an a-pointer prime, because the next prime (70222127) can be obtained adding 70222111 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70222111 - 2¹¹ = 70220063 is a prime.

It is a super-2 number, since 2×70222111² = 9862289746592642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70222171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35111055 + 35111056.

It is an arithmetic number, because the mean of its divisors is an integer number (35111056).

Almost surely, 2^70222111 is an apocalyptic number.

70222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

70222111 is an equidigital number, since it uses as much as digits as its factorization.

70222111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 70222111 is about 8379.8634237080. The cubic root of 70222111 is about 412.5639663276.

Adding to 70222111 its reverse (11122207), we get a palindrome (81344318).

The spelling of 70222111 in words is "seventy million, two hundred twenty-two thousand, one hundred eleven".