244323226621 has 8 divisors (see below), whose sum is σ = 252755479800. Its totient is φ = 235891461120.

The previous prime is 244323226549. The next prime is 244323226643. The reversal of 244323226621 is 126622323442.

It can be written as a sum of positive squares in 4 ways, for example, as 37717524100 + 206605702521 = 194210^2 + 454539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 244323226621 - 2¹⁵ = 244323193853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244323226691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1107685 + ... + 1309813.

It is an arithmetic number, because the mean of its divisors is an integer number (31594434975).

Almost surely, 2^244323226621 is an apocalyptic number.

It is an amenable number.

244323226621 is a deficient number, since it is larger than the sum of its proper divisors (8432253179).

244323226621 is a wasteful number, since it uses less digits than its factorization.

244323226621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243839.

The product of its digits is 165888, while the sum is 37.

The spelling of 244323226621 in words is "two hundred forty-four billion, three hundred twenty-three million, two hundred twenty-six thousand, six hundred twenty-one".