1422642423405 has 48 divisors (see below), whose sum is σ = 2650947773760. Its totient is φ = 649591665408.

The previous prime is 1422642423379. The next prime is 1422642423427. The reversal of 1422642423405 is 5043242462241.

It is not a de Polignac number, because 1422642423405 - 2⁷ = 1422642423277 is a prime.

It is a super-2 number, since 2×1422642423405² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 499375 + ... + 1759164.

It is an arithmetic number, because the mean of its divisors is an integer number (55228078620).

Almost surely, 2^{1422642423405} is an apocalyptic number.

1422642423405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1422642423405 is a deficient number, since it is larger than the sum of its proper divisors (1228305350355).

1422642423405 is a wasteful number, since it uses less digits than its factorization.

1422642423405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259418 (or 2259411 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 39.

Adding to 1422642423405 its reverse (5043242462241), we get a palindrome (6465884885646).

The spelling of 1422642423405 in words is "one trillion, four hundred twenty-two billion, six hundred forty-two million, four hundred twenty-three thousand, four hundred five".