1422110644 has 24 divisors (see below), whose sum is σ = 2528264480. Its totient is φ = 699770016.

The previous prime is 1422110623. The next prime is 1422110653. The reversal of 1422110644 is 4460112241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389194 + ... + 392830.

Almost surely, 2^1422110644 is an apocalyptic number.

It is an amenable number.

1422110644 is a deficient number, since it is larger than the sum of its proper divisors (1106153836).

1422110644 is a wasteful number, since it uses less digits than its factorization.

1422110644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5167 (or 5165 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1422110644 is about 37710.8823020624. The cubic root of 1422110644 is about 1124.5474773257.

Adding to 1422110644 its reverse (4460112241), we get a palindrome (5882222885).

The spelling of 1422110644 in words is "one billion, four hundred twenty-two million, one hundred ten thousand, six hundred forty-four".