102442244 has 6 divisors (see below), whose sum is σ = 179273934. Its totient is φ = 51221120.

The previous prime is 102442201. The next prime is 102442247. The reversal of 102442244 is 442244201.

It can be written as a sum of positive squares in only one way, i.e., 93857344 + 8584900 = 9688^2 + 2930^2 .

It is not an unprimeable number, because it can be changed into a prime (102442247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12805277 + ... + 12805284.

It is an arithmetic number, because the mean of its divisors is an integer number (29878989).

Almost surely, 2^102442244 is an apocalyptic number.

It is an amenable number.

102442244 is a deficient number, since it is larger than the sum of its proper divisors (76831690).

102442244 is a wasteful number, since it uses less digits than its factorization.

102442244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25610565 (or 25610563 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 102442244 is about 10121.3755982080. The cubic root of 102442244 is about 467.9071637512.

Adding to 102442244 its reverse (442244201), we get a palindrome (544686445).

The spelling of 102442244 in words is "one hundred two million, four hundred forty-two thousand, two hundred forty-four".