1385224802 has 8 divisors (see below), whose sum is σ = 2237670876. Its totient is φ = 639334512.

The previous prime is 1385224781. The next prime is 1385224807. The reversal of 1385224802 is 2084225831.

It can be written as a sum of positive squares in 2 ways, for example, as 1381534561 + 3690241 = 37169^2 + 1921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1385224807) 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 3 ways as a sum of consecutive naturals, for example, 26638913 + ... + 26638964.

Almost surely, 2^1385224802 is an apocalyptic number.

1385224802 is a deficient number, since it is larger than the sum of its proper divisors (852446074).

1385224802 is a wasteful number, since it uses less digits than its factorization.

1385224802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53277892.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 1385224802 is about 37218.6082759686. The cubic root of 1385224802 is about 1114.7395752059.

The spelling of 1385224802 in words is "one billion, three hundred eighty-five million, two hundred twenty-four thousand, eight hundred two".