2422650661 has 4 divisors (see below), whose sum is σ = 2423112300. Its totient is φ = 2422189024.

The previous prime is 2422650623. The next prime is 2422650667. The reversal of 2422650661 is 1660562242.

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 86378436 + 2336272225 = 9294^2 + 48335^2 .

It is a cyclic number.

It is not a de Polignac number, because 2422650661 - 2²⁷ = 2288432933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422650667) 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, 222856 + ... + 233473.

It is an arithmetic number, because the mean of its divisors is an integer number (605778075).

Almost surely, 2^2422650661 is an apocalyptic number.

It is an amenable number.

2422650661 is a deficient number, since it is larger than the sum of its proper divisors (461639).

2422650661 is an equidigital number, since it uses as much as digits as its factorization.

2422650661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461638.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2422650661 is about 49220.4293053200. The cubic root of 2422650661 is about 1343.0646905503.

The spelling of 2422650661 in words is "two billion, four hundred twenty-two million, six hundred fifty thousand, six hundred sixty-one".