102247238 has 8 divisors (see below), whose sum is σ = 158318400. Its totient is φ = 49474440.

The previous prime is 102247237. The next prime is 102247241. The reversal of 102247238 is 832742201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102247238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102247237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824513 + ... + 824636.

It is an arithmetic number, because the mean of its divisors is an integer number (19789800).

Almost surely, 2^102247238 is an apocalyptic number.

102247238 is a deficient number, since it is larger than the sum of its proper divisors (56071162).

102247238 is a wasteful number, since it uses less digits than its factorization.

102247238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649182.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 102247238 is about 10111.7376350457. The cubic root of 102247238 is about 467.6100771230.

Adding to 102247238 its reverse (832742201), we get a palindrome (934989439).

The spelling of 102247238 in words is "one hundred two million, two hundred forty-seven thousand, two hundred thirty-eight".