102220869 has 8 divisors (see below), whose sum is σ = 136739680. Its totient is φ = 67924656.

The previous prime is 102220843. The next prime is 102220889. The reversal of 102220869 is 968022201.

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

It is not a de Polignac number, because 102220869 - 2¹² = 102216773 is a prime.

It is a super-2 number, since 2×102220869² = 20898212118230322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54574 + ... + 56415.

It is an arithmetic number, because the mean of its divisors is an integer number (17092460).

Almost surely, 2^102220869 is an apocalyptic number.

It is an amenable number.

102220869 is a deficient number, since it is larger than the sum of its proper divisors (34518811).

102220869 is a wasteful number, since it uses less digits than its factorization.

102220869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111299.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 102220869 is about 10110.4336702240. The cubic root of 102220869 is about 467.5698756450.

The spelling of 102220869 in words is "one hundred two million, two hundred twenty thousand, eight hundred sixty-nine".