3220549042 has 16 divisors (see below), whose sum is σ = 5005305432. Its totient is φ = 1552884480.

The previous prime is 3220548973. The next prime is 3220549069. The reversal of 3220549042 is 2409450223.

It can be written as a sum of positive squares in 4 ways, for example, as 2211914961 + 1008634081 = 47031^2 + 31759^2 .

It is a super-2 number, since 2×3220549042² = 20743872263854235528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3220548995 and 3220549013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184209 + ... + 200932.

Almost surely, 2^3220549042 is an apocalyptic number.

3220549042 is a deficient number, since it is larger than the sum of its proper divisors (1784756390).

3220549042 is a wasteful number, since it uses less digits than its factorization.

3220549042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385293.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 3220549042 is about 56749.8814271889. The cubic root of 3220549042 is about 1476.7601764884.

Adding to 3220549042 its reverse (2409450223), we get a palindrome (5629999265).

The spelling of 3220549042 in words is "three billion, two hundred twenty million, five hundred forty-nine thousand, forty-two".