1338022465 has 32 divisors (see below), whose sum is σ = 1878912000. Its totient is φ = 905852160.

The previous prime is 1338022463. The next prime is 1338022489. The reversal of 1338022465 is 5642208331.

It is not a de Polignac number, because 1338022465 - 2¹ = 1338022463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1338022465.

It is not an unprimeable number, because it can be changed into a prime (1338022463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20811 + ... + 55759.

It is an arithmetic number, because the mean of its divisors is an integer number (58716000).

Almost surely, 2^1338022465 is an apocalyptic number.

It is an amenable number.

1338022465 is a deficient number, since it is larger than the sum of its proper divisors (540889535).

1338022465 is a wasteful number, since it uses less digits than its factorization.

1338022465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35017.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1338022465 is about 36578.9893928195. The cubic root of 1338022465 is about 1101.9311709937.

The spelling of 1338022465 in words is "one billion, three hundred thirty-eight million, twenty-two thousand, four hundred sixty-five".