15022213 has 2 divisors, whose sum is σ = 15022214. Its totient is φ = 15022212.

The previous prime is 15022211. The next prime is 15022223. The reversal of 15022213 is 31222051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14455204 + 567009 = 3802^2 + 753^2 .

It is a cyclic number.

It is not a de Polignac number, because 15022213 - 2¹ = 15022211 is a prime.

Together with 15022211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15022211) 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 as a sum of consecutive naturals, namely, 7511106 + 7511107.

It is an arithmetic number, because the mean of its divisors is an integer number (7511107).

Almost surely, 2^15022213 is an apocalyptic number.

It is an amenable number.

15022213 is a deficient number, since it is larger than the sum of its proper divisors (1).

15022213 is an equidigital number, since it uses as much as digits as its factorization.

15022213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 15022213 is about 3875.8499712966. The cubic root of 15022213 is about 246.7428850985.

Adding to 15022213 its reverse (31222051), we get a palindrome (46244264).

The spelling of 15022213 in words is "fifteen million, twenty-two thousand, two hundred thirteen".