2061222361 has 8 divisors (see below), whose sum is σ = 2248936704. Its totient is φ = 1873563120.

The previous prime is 2061222347. The next prime is 2061222377. The reversal of 2061222361 is 1632221602.

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

It is not a de Polignac number, because 2061222361 - 2¹⁵ = 2061189593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2061222061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127416 + ... + 142678.

It is an arithmetic number, because the mean of its divisors is an integer number (281117088).

Almost surely, 2^2061222361 is an apocalyptic number.

It is an amenable number.

2061222361 is a deficient number, since it is larger than the sum of its proper divisors (187714343).

2061222361 is a wasteful number, since it uses less digits than its factorization.

2061222361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27551.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2061222361 is about 45400.6867899595. The cubic root of 2061222361 is about 1272.6479484406.

Adding to 2061222361 its reverse (1632221602), we get a palindrome (3693443963).

It can be divided in two parts, 2061 and 222361, that added together give a palindrome (224422).

The spelling of 2061222361 in words is "two billion, sixty-one million, two hundred twenty-two thousand, three hundred sixty-one".