3520220442122 has 8 divisors (see below), whose sum is σ = 5280491742372. Its totient is φ = 1760056528000.

The previous prime is 3520220442119. The next prime is 3520220442127. The reversal of 3520220442122 is 2212440220253.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3355927222561 + 164293219561 = 1831919^2 + 405331^2 .

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

It is a super-2 number, since 2×3520220442122² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3520220442127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26764529 + ... + 26895732.

Almost surely, 2^{3520220442122} is an apocalyptic number.

3520220442122 is a deficient number, since it is larger than the sum of its proper divisors (1760271300250).

3520220442122 is a wasteful number, since it uses less digits than its factorization.

3520220442122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53693064.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 3520220442122 its reverse (2212440220253), we get a palindrome (5732660662375).

The spelling of 3520220442122 in words is "three trillion, five hundred twenty billion, two hundred twenty million, four hundred forty-two thousand, one hundred twenty-two".