244234621 has 4 divisors (see below), whose sum is σ = 244472544. Its totient is φ = 243996700.

The previous prime is 244234619. The next prime is 244234633. The reversal of 244234621 is 126432442.

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 244234621 - 2¹ = 244234619 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 244234621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244294621) 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, 117415 + ... + 119476.

It is an arithmetic number, because the mean of its divisors is an integer number (61118136).

Almost surely, 2^244234621 is an apocalyptic number.

It is an amenable number.

244234621 is a deficient number, since it is larger than the sum of its proper divisors (237923).

244234621 is a wasteful number, since it uses less digits than its factorization.

244234621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237922.

The product of its digits is 9216, while the sum is 28.

The square root of 244234621 is about 15628.0075825423. The cubic root of 244234621 is about 625.0801996284.

The spelling of 244234621 in words is "two hundred forty-four million, two hundred thirty-four thousand, six hundred twenty-one".