1406166422 has 16 divisors (see below), whose sum is σ = 2163242592. Its totient is φ = 685126080.

The previous prime is 1406166409. The next prime is 1406166427. The reversal of 1406166422 is 2246616041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406166427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63068 + ... + 82400.

It is an arithmetic number, because the mean of its divisors is an integer number (135202662).

Almost surely, 2^1406166422 is an apocalyptic number.

1406166422 is a deficient number, since it is larger than the sum of its proper divisors (757076170).

1406166422 is a wasteful number, since it uses less digits than its factorization.

1406166422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20263.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1406166422 is about 37498.8856101085. The cubic root of 1406166422 is about 1120.3289908309.

It can be divided in two parts, 1406 and 166422, that multiplied together give a palindrome (233989332).

The spelling of 1406166422 in words is "one billion, four hundred six million, one hundred sixty-six thousand, four hundred twenty-two".