22152312503 has 2 divisors, whose sum is σ = 22152312504. Its totient is φ = 22152312502.

The previous prime is 22152312467. The next prime is 22152312517. The reversal of 22152312503 is 30521325122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22152312503 - 2¹² = 22152308407 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22152312593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11076156251 + 11076156252.

It is an arithmetic number, because the mean of its divisors is an integer number (11076156252).

Almost surely, 2^22152312503 is an apocalyptic number.

22152312503 is a deficient number, since it is larger than the sum of its proper divisors (1).

22152312503 is an equidigital number, since it uses as much as digits as its factorization.

22152312503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 22152312503 its reverse (30521325122), we get a palindrome (52673637625).

The spelling of 22152312503 in words is "twenty-two billion, one hundred fifty-two million, three hundred twelve thousand, five hundred three".