1406231422 has 4 divisors (see below), whose sum is σ = 2109347136. Its totient is φ = 703115710.

The previous prime is 1406231371. The next prime is 1406231423. The reversal of 1406231422 is 2241326041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406231423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351557854 + ... + 351557857.

It is an arithmetic number, because the mean of its divisors is an integer number (527336784).

Almost surely, 2^1406231422 is an apocalyptic number.

1406231422 is a deficient number, since it is larger than the sum of its proper divisors (703115714).

1406231422 is an equidigital number, since it uses as much as digits as its factorization.

1406231422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703115713.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1406231422 is about 37499.7522925152. The cubic root of 1406231422 is about 1120.3462529561.

Adding to 1406231422 its reverse (2241326041), we get a palindrome (3647557463).

The spelling of 1406231422 in words is "one billion, four hundred six million, two hundred thirty-one thousand, four hundred twenty-two".