15004122223 has 2 divisors, whose sum is σ = 15004122224. Its totient is φ = 15004122222.

The previous prime is 15004122209. The next prime is 15004122239. The reversal of 15004122223 is 32222140051.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15004122223 is a prime.

It is a super-3 number, since 3×15004122223³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15004122194 and 15004122203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15004122253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7502061111 + 7502061112.

It is an arithmetic number, because the mean of its divisors is an integer number (7502061112).

Almost surely, 2^15004122223 is an apocalyptic number.

15004122223 is a deficient number, since it is larger than the sum of its proper divisors (1).

15004122223 is an equidigital number, since it uses as much as digits as its factorization.

15004122223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 15004122223 its reverse (32222140051), we get a palindrome (47226262274).

The spelling of 15004122223 in words is "fifteen billion, four million, one hundred twenty-two thousand, two hundred twenty-three".