244549221 has 16 divisors (see below), whose sum is σ = 373597824. Its totient is φ = 139385664.

The previous prime is 244549219. The next prime is 244549223. The reversal of 244549221 is 122945442.

It is a happy number.

244549221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (244549219) and next prime (244549223).

It is not a de Polignac number, because 244549221 - 2¹ = 244549219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244549223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6330 + ... + 23003.

It is an arithmetic number, because the mean of its divisors is an integer number (23349864).

Almost surely, 2^244549221 is an apocalyptic number.

244549221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

244549221 is a deficient number, since it is larger than the sum of its proper divisors (129048603).

244549221 is a wasteful number, since it uses less digits than its factorization.

244549221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29740.

The product of its digits is 23040, while the sum is 33.

The square root of 244549221 is about 15638.0696059328. The cubic root of 244549221 is about 625.3484742557.

The spelling of 244549221 in words is "two hundred forty-four million, five hundred forty-nine thousand, two hundred twenty-one".