102622245 has 32 divisors (see below), whose sum is σ = 184909824. Its totient is φ = 48148800.

The previous prime is 102622243. The next prime is 102622253. The reversal of 102622245 is 542226201.

It is a happy number.

It is not a de Polignac number, because 102622245 - 2¹ = 102622243 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102622243) 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 31 ways as a sum of consecutive naturals, for example, 4917 + ... + 15146.

It is an arithmetic number, because the mean of its divisors is an integer number (5778432).

Almost surely, 2^102622245 is an apocalyptic number.

102622245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102622245 is a deficient number, since it is larger than the sum of its proper divisors (82287579).

102622245 is a wasteful number, since it uses less digits than its factorization.

102622245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20113.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 102622245 is about 10130.2638169003. The cubic root of 102622245 is about 468.1810562146.

Adding to 102622245 its reverse (542226201), we get a palindrome (644848446).

The spelling of 102622245 in words is "one hundred two million, six hundred twenty-two thousand, two hundred forty-five".