102122244 has 36 divisors (see below), whose sum is σ = 295020544. Its totient is φ = 29177712.

The previous prime is 102122243. The next prime is 102122299. The reversal of 102122244 is 442221201.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (102122243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202372 + ... + 202875.

Almost surely, 2^102122244 is an apocalyptic number.

102122244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102122244 is an abundant number, since it is smaller than the sum of its proper divisors (192898300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102122244 is a wasteful number, since it uses less digits than its factorization.

102122244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405264 (or 405259 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 102122244 is about 10105.5551059801. Note that the first 3 decimals coincide. The cubic root of 102122244 is about 467.4194532703.

Adding to 102122244 its reverse (442221201), we get a palindrome (544343445).

The spelling of 102122244 in words is "one hundred two million, one hundred twenty-two thousand, two hundred forty-four".