3528022378 has 4 divisors (see below), whose sum is σ = 5292033570. Its totient is φ = 1764011188.

The previous prime is 3528022349. The next prime is 3528022403. The reversal of 3528022378 is 8732208253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8732208253 = 17 ⋅513659309.

It can be written as a sum of positive squares in only one way, i.e., 3528003609 + 18769 = 59397^2 + 137^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 3528022378.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 882005593 + ... + 882005596.

Almost surely, 2^3528022378 is an apocalyptic number.

3528022378 is a deficient number, since it is larger than the sum of its proper divisors (1764011192).

3528022378 is a wasteful number, since it uses less digits than its factorization.

3528022378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764011191.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 3528022378 is about 59397.1579959850. The cubic root of 3528022378 is about 1522.3357409007.

The spelling of 3528022378 in words is "three billion, five hundred twenty-eight million, twenty-two thousand, three hundred seventy-eight".