3520022549 has 4 divisors (see below), whose sum is σ = 3552920064. Its totient is φ = 3487125036.

The previous prime is 3520022521. The next prime is 3520022563. The reversal of 3520022549 is 9452200253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9452200253 = 53 ⋅178343401.

It is a cyclic number.

It is not a de Polignac number, because 3520022549 - 2¹⁶ = 3519957013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520022579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16448597 + ... + 16448810.

It is an arithmetic number, because the mean of its divisors is an integer number (888230016).

Almost surely, 2^3520022549 is an apocalyptic number.

It is an amenable number.

3520022549 is a deficient number, since it is larger than the sum of its proper divisors (32897515).

3520022549 is a wasteful number, since it uses less digits than its factorization.

3520022549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32897514.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 3520022549 is about 59329.7779281197. Note that the first 3 decimals coincide. The cubic root of 3520022549 is about 1521.1842325088.

The spelling of 3520022549 in words is "three billion, five hundred twenty million, twenty-two thousand, five hundred forty-nine".