1422402006644 has 12 divisors (see below), whose sum is σ = 2497311668544. Its totient is φ = 708884387064.

The previous prime is 1422402006637. The next prime is 1422402006647. The reversal of 1422402006644 is 4466002042241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422402006647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579152684 + ... + 579155139.

It is an arithmetic number, because the mean of its divisors is an integer number (208109305712).

Almost surely, 2^{1422402006644} is an apocalyptic number.

It is an amenable number.

1422402006644 is a deficient number, since it is larger than the sum of its proper divisors (1074909661900).

1422402006644 is a wasteful number, since it uses less digits than its factorization.

1422402006644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158308134 (or 1158308132 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 1422402006644 its reverse (4466002042241), we get a palindrome (5888404048885).

The spelling of 1422402006644 in words is "one trillion, four hundred twenty-two billion, four hundred two million, six thousand, six hundred forty-four".