102022321 has 8 divisors (see below), whose sum is σ = 108233064. Its totient is φ = 95834880.

The previous prime is 102022313. The next prime is 102022331. The reversal of 102022321 is 123220201.

It can be written as a sum of positive squares in 4 ways, for example, as 39438400 + 62583921 = 6280^2 + 7911^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 102022321 - 2³ = 102022313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102022301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3651 + ... + 14743.

It is an arithmetic number, because the mean of its divisors is an integer number (13529133).

Almost surely, 2^102022321 is an apocalyptic number.

It is an amenable number.

102022321 is a deficient number, since it is larger than the sum of its proper divisors (6210743).

102022321 is a wasteful number, since it uses less digits than its factorization.

102022321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11651.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 102022321 is about 10100.6099320784. The cubic root of 102022321 is about 467.2669523921.

Adding to 102022321 its reverse (123220201), we get a palindrome (225242522).

The spelling of 102022321 in words is "one hundred two million, twenty-two thousand, three hundred twenty-one".