1388022133 has 2 divisors, whose sum is σ = 1388022134. Its totient is φ = 1388022132.

The previous prime is 1388022091. The next prime is 1388022149. The reversal of 1388022133 is 3312208831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1004763204 + 383258929 = 31698^2 + 19577^2 .

It is a cyclic number.

It is not a de Polignac number, because 1388022133 - 2¹⁷ = 1387891061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1388022095 and 1388022104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1388022173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694011066 + 694011067.

It is an arithmetic number, because the mean of its divisors is an integer number (694011067).

Almost surely, 2^1388022133 is an apocalyptic number.

It is an amenable number.

1388022133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1388022133 is an equidigital number, since it uses as much as digits as its factorization.

1388022133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1388022133 is about 37256.1690596336. The cubic root of 1388022133 is about 1115.4894411923.

The spelling of 1388022133 in words is "one billion, three hundred eighty-eight million, twenty-two thousand, one hundred thirty-three".