1214227369 has 2 divisors, whose sum is σ = 1214227370. Its totient is φ = 1214227368.

The previous prime is 1214227327. The next prime is 1214227381. The reversal of 1214227369 is 9637224121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1074987369 + 139240000 = 32787^2 + 11800^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214227369 - 2¹¹ = 1214225321 is a prime.

It is a super-2 number, since 2×1214227369² = 2948696207257324322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1214228369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607113684 + 607113685.

It is an arithmetic number, because the mean of its divisors is an integer number (607113685).

Almost surely, 2^1214227369 is an apocalyptic number.

It is an amenable number.

1214227369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214227369 is an equidigital number, since it uses as much as digits as its factorization.

1214227369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 1214227369 is about 34845.7654385723. The cubic root of 1214227369 is about 1066.8417568807.

The spelling of 1214227369 in words is "one billion, two hundred fourteen million, two hundred twenty-seven thousand, three hundred sixty-nine".