1422136406 has 8 divisors (see below), whose sum is σ = 2136652680. Its totient is φ = 709918848.

The previous prime is 1422136399. The next prime is 1422136511. The reversal of 1422136406 is 6046312241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573131 + ... + 575606.

It is an arithmetic number, because the mean of its divisors is an integer number (267081585).

Almost surely, 2^1422136406 is an apocalyptic number.

1422136406 is a deficient number, since it is larger than the sum of its proper divisors (714516274).

1422136406 is a wasteful number, since it uses less digits than its factorization.

1422136406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149358.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1422136406 is about 37711.2238730063. The cubic root of 1422136406 is about 1124.5542678000.

Adding to 1422136406 its reverse (6046312241), we get a palindrome (7468448647).

The spelling of 1422136406 in words is "one billion, four hundred twenty-two million, one hundred thirty-six thousand, four hundred six".