30102223 has 4 divisors (see below), whose sum is σ = 31872960. Its totient is φ = 28331488.

The previous prime is 30102221. The next prime is 30102227. The reversal of 30102223 is 32220103.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32220103 = 877 ⋅36739.

It is a cyclic number.

It is not a de Polignac number, because 30102223 - 2¹ = 30102221 is a prime.

It is a super-2 number, since 2×30102223² = 1812287659083458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102221) 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, 885343 + ... + 885376.

It is an arithmetic number, because the mean of its divisors is an integer number (7968240).

Almost surely, 2^30102223 is an apocalyptic number.

30102223 is a deficient number, since it is larger than the sum of its proper divisors (1770737).

30102223 is a wasteful number, since it uses less digits than its factorization.

30102223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770736.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30102223 is about 5486.5492798297. The cubic root of 30102223 is about 311.0757734192.

Adding to 30102223 its reverse (32220103), we get a palindrome (62322326).

It can be divided in two parts, 3010222 and 3, that added together give a square (3010225 = 1735²).

The spelling of 30102223 in words is "thirty million, one hundred two thousand, two hundred twenty-three".