1422505143 has 12 divisors (see below), whose sum is σ = 2055097200. Its totient is φ = 948167136.

The previous prime is 1422505099. The next prime is 1422505169. The reversal of 1422505143 is 3415052241.

1422505143 is a `hidden beast` number, since 14 + 2 + 2 + 505 + 143 = 666.

It is not a de Polignac number, because 1422505143 - 2¹⁰ = 1422504119 is a prime.

It is a super-2 number, since 2×1422505143² = 4047041763722900898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422505943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58758 + ... + 79356.

It is an arithmetic number, because the mean of its divisors is an integer number (171258100).

Almost surely, 2^1422505143 is an apocalyptic number.

1422505143 is a deficient number, since it is larger than the sum of its proper divisors (632592057).

1422505143 is a wasteful number, since it uses less digits than its factorization.

1422505143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28278 (or 28275 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1422505143 is about 37716.1125117635. The cubic root of 1422505143 is about 1124.6514523204.

Adding to 1422505143 its reverse (3415052241), we get a palindrome (4837557384).

The spelling of 1422505143 in words is "one billion, four hundred twenty-two million, five hundred five thousand, one hundred forty-three".