102294219 has 8 divisors (see below), whose sum is σ = 144415440. Its totient is φ = 64184576.

The previous prime is 102294217. The next prime is 102294229. The reversal of 102294219 is 912492201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102294219 - 2¹ = 102294217 is a prime.

It is a super-2 number, since 2×102294219² = 20928214481639922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102294217) 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, 1002834 + ... + 1002935.

It is an arithmetic number, because the mean of its divisors is an integer number (18051930).

Almost surely, 2^102294219 is an apocalyptic number.

102294219 is a deficient number, since it is larger than the sum of its proper divisors (42121221).

102294219 is a wasteful number, since it uses less digits than its factorization.

102294219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005789.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 102294219 is about 10114.0604605668. The cubic root of 102294219 is about 467.6816859851.

The spelling of 102294219 in words is "one hundred two million, two hundred ninety-four thousand, two hundred nineteen".