30022213 has 12 divisors (see below), whose sum is σ = 33127500. Its totient is φ = 27046656.

The previous prime is 30022189. The next prime is 30022253. The reversal of 30022213 is 31222003.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8054244 + 21967969 = 2838^2 + 4687^2 .

It is not a de Polignac number, because 30022213 - 2¹³ = 30014021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30022193 and 30022202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30022253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23413 + ... + 24661.

It is an arithmetic number, because the mean of its divisors is an integer number (2760625).

Almost surely, 2^30022213 is an apocalyptic number.

It is an amenable number.

30022213 is a deficient number, since it is larger than the sum of its proper divisors (3105287).

30022213 is a wasteful number, since it uses less digits than its factorization.

30022213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348 (or 1305 counting only the distinct ones).

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

The square root of 30022213 is about 5479.2529600302. The cubic root of 30022213 is about 310.7999216260.

Adding to 30022213 its reverse (31222003), we get a palindrome (61244216).

The spelling of 30022213 in words is "thirty million, twenty-two thousand, two hundred thirteen".