102232213 has 4 divisors (see below), whose sum is σ = 102506668. Its totient is φ = 101957760.

The previous prime is 102232201. The next prime is 102232219. The reversal of 102232213 is 312232201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312232201 = 307 ⋅1017043.

It can be written as a sum of positive squares in 2 ways, for example, as 51509329 + 50722884 = 7177^2 + 7122^2 .

It is a cyclic number.

It is not a de Polignac number, because 102232213 - 2⁵ = 102232181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102232219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136668 + ... + 137413.

It is an arithmetic number, because the mean of its divisors is an integer number (25626667).

Almost surely, 2^102232213 is an apocalyptic number.

It is an amenable number.

102232213 is a deficient number, since it is larger than the sum of its proper divisors (274455).

102232213 is an equidigital number, since it uses as much as digits as its factorization.

102232213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274454.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 102232213 is about 10110.9946592806. The cubic root of 102232213 is about 467.5871712537.

Adding to 102232213 its reverse (312232201), we get a palindrome (414464414).

The spelling of 102232213 in words is "one hundred two million, two hundred thirty-two thousand, two hundred thirteen".