244221002 has 8 divisors (see below), whose sum is σ = 366602436. Its totient is φ = 122020192.

The previous prime is 244220981. The next prime is 244221077. The reversal of 244221002 is 200122442.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 203376121 + 40844881 = 14261^2 + 6391^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41723 + ... + 47214.

Almost surely, 2^244221002 is an apocalyptic number.

244221002 is a deficient number, since it is larger than the sum of its proper divisors (122381434).

244221002 is a wasteful number, since it uses less digits than its factorization.

244221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90312.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 244221002 is about 15627.5718523384. The cubic root of 244221002 is about 625.0685808477.

Adding to 244221002 its reverse (200122442), we get a palindrome (444343444).

The spelling of 244221002 in words is "two hundred forty-four million, two hundred twenty-one thousand, two".