1392352225 has 12 divisors (see below), whose sum is σ = 1883473200. Its totient is φ = 1012619600.

The previous prime is 1392352183. The next prime is 1392352229. The reversal of 1392352225 is 5222532931.

It is not a de Polignac number, because 1392352225 - 2¹¹ = 1392350177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1392352229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2531275 + ... + 2531824.

It is an arithmetic number, because the mean of its divisors is an integer number (156956100).

Almost surely, 2^1392352225 is an apocalyptic number.

It is an amenable number.

1392352225 is a deficient number, since it is larger than the sum of its proper divisors (491120975).

1392352225 is a wasteful number, since it uses less digits than its factorization.

1392352225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5063120 (or 5063115 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 1392352225 is about 37314.2362242616. The cubic root of 1392352225 is about 1116.6482022144.

The spelling of 1392352225 in words is "one billion, three hundred ninety-two million, three hundred fifty-two thousand, two hundred twenty-five".