22144154503 has 2 divisors, whose sum is σ = 22144154504. Its totient is φ = 22144154502.

The previous prime is 22144154479. The next prime is 22144154507. The reversal of 22144154503 is 30545144122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22144154503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22144154507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11072077251 + 11072077252.

It is an arithmetic number, because the mean of its divisors is an integer number (11072077252).

Almost surely, 2^22144154503 is an apocalyptic number.

22144154503 is a deficient number, since it is larger than the sum of its proper divisors (1).

22144154503 is an equidigital number, since it uses as much as digits as its factorization.

22144154503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 22144154503 its reverse (30545144122), we get a palindrome (52689298625).

The spelling of 22144154503 in words is "twenty-two billion, one hundred forty-four million, one hundred fifty-four thousand, five hundred three".