1395228337 has 2 divisors, whose sum is σ = 1395228338. Its totient is φ = 1395228336.

The previous prime is 1395228299. The next prime is 1395228343. The reversal of 1395228337 is 7338225931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 768176656 + 627051681 = 27716^2 + 25041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1395228337 is a prime.

It is a super-2 number, since 2×1395228337² = 3893324224735571138, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1395228293 and 1395228302.

It is not a weakly prime, because it can be changed into another prime (1395228397) 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, 697614168 + 697614169.

It is an arithmetic number, because the mean of its divisors is an integer number (697614169).

Almost surely, 2^1395228337 is an apocalyptic number.

It is an amenable number.

1395228337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395228337 is an equidigital number, since it uses as much as digits as its factorization.

1395228337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 1395228337 is about 37352.7554137576. The cubic root of 1395228337 is about 1117.4165414369.

The spelling of 1395228337 in words is "one billion, three hundred ninety-five million, two hundred twenty-eight thousand, three hundred thirty-seven".