102022647 has 16 divisors (see below), whose sum is σ = 143808000. Its totient is φ = 64157184.

The previous prime is 102022639. The next prime is 102022649. The reversal of 102022647 is 746220201.

It is not a de Polignac number, because 102022647 - 2³ = 102022639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9879 + ... + 17367.

It is an arithmetic number, because the mean of its divisors is an integer number (8988000).

Almost surely, 2^102022647 is an apocalyptic number.

102022647 is a deficient number, since it is larger than the sum of its proper divisors (41785353).

102022647 is a wasteful number, since it uses less digits than its factorization.

102022647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7750.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 102022647 is about 10100.6260697048. The cubic root of 102022647 is about 467.2674500899.

Adding to 102022647 its reverse (746220201), we get a palindrome (848242848).

The spelling of 102022647 in words is "one hundred two million, twenty-two thousand, six hundred forty-seven".