1422000405 has 96 divisors (see below), whose sum is σ = 2878896384. Its totient is φ = 635931648.

The previous prime is 1422000383. The next prime is 1422000409. The reversal of 1422000405 is 5040002241.

It is not a de Polignac number, because 1422000405 - 2⁵ = 1422000373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422000409) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3581667 + ... + 3582063.

It is an arithmetic number, because the mean of its divisors is an integer number (29988504).

Almost surely, 2^1422000405 is an apocalyptic number.

1422000405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1422000405 is an abundant number, since it is smaller than the sum of its proper divisors (1456895979).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1422000405 is a wasteful number, since it uses less digits than its factorization.

1422000405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1422000405 is about 37709.4206399409. The cubic root of 1422000405 is about 1124.5184190633.

Adding to 1422000405 its reverse (5040002241), we get a palindrome (6462002646).

The spelling of 1422000405 in words is "one billion, four hundred twenty-two million, four hundred five", and thus it is an aban number.