102244628 has 12 divisors (see below), whose sum is σ = 179211732. Its totient is φ = 51041280.

The previous prime is 102244627. The next prime is 102244631. The reversal of 102244628 is 826442201.

It can be written as a sum of positive squares in 2 ways, for example, as 54937744 + 47306884 = 7412^2 + 6878^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102244628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102244627) 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, 17375 + ... + 22502.

It is an arithmetic number, because the mean of its divisors is an integer number (14934311).

Almost surely, 2^102244628 is an apocalyptic number.

It is an amenable number.

102244628 is a deficient number, since it is larger than the sum of its proper divisors (76967104).

102244628 is a wasteful number, since it uses less digits than its factorization.

102244628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40522 (or 40520 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 102244628 is about 10111.6085762850. The cubic root of 102244628 is about 467.6060982944.

Adding to 102244628 its reverse (826442201), we get a palindrome (928686829).

The spelling of 102244628 in words is "one hundred two million, two hundred forty-four thousand, six hundred twenty-eight".