102022019 has 16 divisors (see below), whose sum is σ = 113171040. Its totient is φ = 91200000.

The previous prime is 102022009. The next prime is 102022027. The reversal of 102022019 is 910220201.

It is a cyclic number.

It is not a de Polignac number, because 102022019 - 2⁴ = 102022003 is a prime.

It is a super-2 number, since 2×102022019² = 20816984721672722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102021988 and 102022006.

It is not an unprimeable number, because it can be changed into a prime (102022009) 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 15 ways as a sum of consecutive naturals, for example, 254219 + ... + 254619.

It is an arithmetic number, because the mean of its divisors is an integer number (7073190).

Almost surely, 2^102022019 is an apocalyptic number.

102022019 is a deficient number, since it is larger than the sum of its proper divisors (11149021).

102022019 is a wasteful number, since it uses less digits than its factorization.

102022019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 102022019 is about 10100.5949824750. The cubic root of 102022019 is about 467.2664913336.

It can be divided in two parts, 10202 and 2019, that added together give a palindrome (12221).

The spelling of 102022019 in words is "one hundred two million, twenty-two thousand, nineteen".