2206551461 has 4 divisors (see below), whose sum is σ = 2219764512. Its totient is φ = 2193338412.

The previous prime is 2206551439. The next prime is 2206551463. The reversal of 2206551461 is 1641556022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2206551461 is a prime.

It is a super-3 number, since 3×2206551461³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206551463) 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, 6606275 + ... + 6606608.

It is an arithmetic number, because the mean of its divisors is an integer number (554941128).

Almost surely, 2^2206551461 is an apocalyptic number.

It is an amenable number.

2206551461 is a deficient number, since it is larger than the sum of its proper divisors (13213051).

2206551461 is a wasteful number, since it uses less digits than its factorization.

2206551461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13213050.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 2206551461 is about 46973.9444905365. The cubic root of 2206551461 is about 1301.8811938207.

The spelling of 2206551461 in words is "two billion, two hundred six million, five hundred fifty-one thousand, four hundred sixty-one".