1138470225 has 12 divisors (see below), whose sum is σ = 1882270896. Its totient is φ = 607184080.

The previous prime is 1138470217. The next prime is 1138470301. The reversal of 1138470225 is 5220748311.

It is not a de Polignac number, because 1138470225 - 2³ = 1138470217 is a prime.

It is a super-2 number, since 2×1138470225² = 2592228906423101250, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 7589727 + ... + 7589876.

It is an arithmetic number, because the mean of its divisors is an integer number (156855908).

Almost surely, 2^1138470225 is an apocalyptic number.

1138470225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1138470225 is a deficient number, since it is larger than the sum of its proper divisors (743800671).

1138470225 is a wasteful number, since it uses less digits than its factorization.

1138470225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15179616 (or 15179611 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1138470225 is about 33741.2244146534. The cubic root of 1138470225 is about 1044.1764456768.

The spelling of 1138470225 in words is "one billion, one hundred thirty-eight million, four hundred seventy thousand, two hundred twenty-five".