1222214101 has 2 divisors, whose sum is σ = 1222214102. Its totient is φ = 1222214100.

The previous prime is 1222214051. The next prime is 1222214111. The reversal of 1222214101 is 1014122221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 763140625 + 459073476 = 27625^2 + 21426^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222214101 - 2¹⁵ = 1222181333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222214111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611107050 + 611107051.

It is an arithmetic number, because the mean of its divisors is an integer number (611107051).

Almost surely, 2^1222214101 is an apocalyptic number.

It is an amenable number.

1222214101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222214101 is an equidigital number, since it uses as much as digits as its factorization.

1222214101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1222214101 is about 34960.1787895886. The cubic root of 1222214101 is about 1069.1757418934.

Adding to 1222214101 its reverse (1014122221), we get a palindrome (2236336322).

The spelling of 1222214101 in words is "one billion, two hundred twenty-two million, two hundred fourteen thousand, one hundred one".