2722428061 has 4 divisors (see below), whose sum is σ = 2728385692. Its totient is φ = 2716470432.

The previous prime is 2722428043. The next prime is 2722428067. The reversal of 2722428061 is 1608242272.

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 1368556036 + 1353872025 = 36994^2 + 36795^2 .

It is a cyclic number.

It is not a de Polignac number, because 2722428061 - 2²³ = 2714039453 is a prime.

It is a super-2 number, since 2×2722428061² = 14823229094640439442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722428067) 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, 2978130 + ... + 2979043.

It is an arithmetic number, because the mean of its divisors is an integer number (682096423).

Almost surely, 2^2722428061 is an apocalyptic number.

It is an amenable number.

2722428061 is a deficient number, since it is larger than the sum of its proper divisors (5957631).

2722428061 is an equidigital number, since it uses as much as digits as its factorization.

2722428061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5957630.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 2722428061 is about 52176.8920212770. The cubic root of 2722428061 is about 1396.3216468683.

The spelling of 2722428061 in words is "two billion, seven hundred twenty-two million, four hundred twenty-eight thousand, sixty-one".