2070445562221 has 4 divisors (see below), whose sum is σ = 2070510864444. Its totient is φ = 2070380260000.

The previous prime is 2070445562201. The next prime is 2070445562231. The reversal of 2070445562221 is 1222655440702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25585602025 + 2044859960196 = 159955^2 + 1429986^2 .

It is a cyclic number.

It is not a de Polignac number, because 2070445562221 - 2⁵ = 2070445562189 is a prime.

It is a super-2 number, since 2×2070445562221² (a number of 25 digits) contains 22 as substring.

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 Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2070445562201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32603530 + ... + 32666971.

It is an arithmetic number, because the mean of its divisors is an integer number (517627716111).

Almost surely, 2^{2070445562221} is an apocalyptic number.

It is an amenable number.

2070445562221 is a deficient number, since it is larger than the sum of its proper divisors (65302223).

2070445562221 is an equidigital number, since it uses as much as digits as its factorization.

2070445562221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65302222.

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 2070445562221 in words is "two trillion, seventy billion, four hundred forty-five million, five hundred sixty-two thousand, two hundred twenty-one".