2244174661 has 4 divisors (see below), whose sum is σ = 2316567424. Its totient is φ = 2171781900.

The previous prime is 2244174649. The next prime is 2244174679. The reversal of 2244174661 is 1664714422.

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 2244174661 - 2²⁹ = 1707303749 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2244174661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244174761) 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, 36196335 + ... + 36196396.

It is an arithmetic number, because the mean of its divisors is an integer number (579141856).

Almost surely, 2^2244174661 is an apocalyptic number.

It is an amenable number.

2244174661 is a deficient number, since it is larger than the sum of its proper divisors (72392763).

2244174661 is an equidigital number, since it uses as much as digits as its factorization.

2244174661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72392762.

The product of its digits is 64512, while the sum is 37.

The square root of 2244174661 is about 47372.7206417364. The cubic root of 2244174661 is about 1309.2388525559.

The spelling of 2244174661 in words is "two billion, two hundred forty-four million, one hundred seventy-four thousand, six hundred sixty-one".