102042224 has 10 divisors (see below), whose sum is σ = 197706840. Its totient is φ = 51021104.

The previous prime is 102042223. The next prime is 102042251. The reversal of 102042224 is 422240201.

It is a happy number.

It is a super-4 number, since 4×102042224⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102042221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3188804 + ... + 3188835.

It is an arithmetic number, because the mean of its divisors is an integer number (19770684).

Almost surely, 2^102042224 is an apocalyptic number.

It is an amenable number.

102042224 is a deficient number, since it is larger than the sum of its proper divisors (95664616).

102042224 is an equidigital number, since it uses as much as digits as its factorization.

102042224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6377647 (or 6377641 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 102042224 is about 10101.5951215637. The cubic root of 102042224 is about 467.2973359701.

Adding to 102042224 its reverse (422240201), we get a palindrome (524282425).

The spelling of 102042224 in words is "one hundred two million, forty-two thousand, two hundred twenty-four".