102244644 has 36 divisors (see below), whose sum is σ = 261730560. Its totient is φ = 33649200.

The previous prime is 102244631. The next prime is 102244657. The reversal of 102244644 is 446442201.

It is a happy number.

102244644 is a `hidden beast` number, since 10 + 2 + 2 + 4 + 4 + 644 = 666.

It is an interprime number because it is at equal distance from previous prime (102244631) and next prime (102244657).

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15132 + ... + 20819.

Almost surely, 2^102244644 is an apocalyptic number.

It is an amenable number.

102244644 is an abundant number, since it is smaller than the sum of its proper divisors (159485916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102244644 is a wasteful number, since it uses less digits than its factorization.

102244644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36040 (or 36035 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 102244644 is about 10111.6093674548. The cubic root of 102244644 is about 467.6061226859.

Adding to 102244644 its reverse (446442201), we get a palindrome (548686845).

The spelling of 102244644 in words is "one hundred two million, two hundred forty-four thousand, six hundred forty-four".