102206408 has 32 divisors (see below), whose sum is σ = 197424000. Its totient is φ = 49583040.

The previous prime is 102206407. The next prime is 102206437. The reversal of 102206408 is 804602201.

It is a super-2 number, since 2×102206408² = 20892299672524928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102206407) 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, 35918 + ... + 38658.

It is an arithmetic number, because the mean of its divisors is an integer number (6169500).

Almost surely, 2^102206408 is an apocalyptic number.

It is an amenable number.

102206408 is a deficient number, since it is larger than the sum of its proper divisors (95217592).

102206408 is a wasteful number, since it uses less digits than its factorization.

102206408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885 (or 2881 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 102206408 is about 10109.7184926189. The cubic root of 102206408 is about 467.5478258525.

Adding to 102206408 its reverse (804602201), we get a palindrome (906808609).

The spelling of 102206408 in words is "one hundred two million, two hundred six thousand, four hundred eight".