102224306 has 4 divisors (see below), whose sum is σ = 153336462. Its totient is φ = 51112152.

The previous prime is 102224261. The next prime is 102224321. The reversal of 102224306 is 603422201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 603422201 = 83 ⋅7270147.

It can be written as a sum of positive squares in only one way, i.e., 90079081 + 12145225 = 9491^2 + 3485^2 .

It is a super-3 number, since 3×102224306³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25556075 + ... + 25556078.

Almost surely, 2^102224306 is an apocalyptic number.

102224306 is a deficient number, since it is larger than the sum of its proper divisors (51112156).

102224306 is an equidigital number, since it uses as much as digits as its factorization.

102224306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51112155.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 102224306 is about 10110.6036417219. The cubic root of 102224306 is about 467.5751159958.

Adding to 102224306 its reverse (603422201), we get a palindrome (705646507).

The spelling of 102224306 in words is "one hundred two million, two hundred twenty-four thousand, three hundred six".