1422221153 has 2 divisors, whose sum is σ = 1422221154. Its totient is φ = 1422221152.

The previous prime is 1422221107. The next prime is 1422221167. The reversal of 1422221153 is 3511222241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1396292689 + 25928464 = 37367^2 + 5092^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422221153 - 2⁶ = 1422221089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1422221183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711110576 + 711110577.

It is an arithmetic number, because the mean of its divisors is an integer number (711110577).

Almost surely, 2^1422221153 is an apocalyptic number.

It is an amenable number.

1422221153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422221153 is an equidigital number, since it uses as much as digits as its factorization.

1422221153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

The square root of 1422221153 is about 37712.3474872620. The cubic root of 1422221153 is about 1124.5766052511.

Adding to 1422221153 its reverse (3511222241), we get a palindrome (4933443394).

The spelling of 1422221153 in words is "one billion, four hundred twenty-two million, two hundred twenty-one thousand, one hundred fifty-three".