244122661 has 4 divisors (see below), whose sum is σ = 244180512. Its totient is φ = 244064812.

The previous prime is 244122623. The next prime is 244122673. The reversal of 244122661 is 166221442.

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 not a de Polignac number, because 244122661 - 2²⁵ = 210568229 is a prime.

It is a super-2 number, since 2×244122661² = 119191747227441842, 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 (244122691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22051 + ... + 31216.

It is an arithmetic number, because the mean of its divisors is an integer number (61045128).

Almost surely, 2^244122661 is an apocalyptic number.

It is an amenable number.

244122661 is a deficient number, since it is larger than the sum of its proper divisors (57851).

244122661 is an equidigital number, since it uses as much as digits as its factorization.

244122661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57850.

The product of its digits is 4608, while the sum is 28.

The square root of 244122661 is about 15624.4251414252. The cubic root of 244122661 is about 624.9846703440.

The spelling of 244122661 in words is "two hundred forty-four million, one hundred twenty-two thousand, six hundred sixty-one".