1422155442663 has 12 divisors (see below), whose sum is σ = 2054481057928. Its totient is φ = 947985230160.

The previous prime is 1422155442661. The next prime is 1422155442677. The reversal of 1422155442663 is 3662445512241.

It is a happy number.

1422155442663 is a `hidden beast` number, since 1 + 4 + 2 + 21 + 5 + 544 + 26 + 63 = 666.

It is not a de Polignac number, because 1422155442663 - 2¹ = 1422155442661 is a prime.

It is a super-2 number, since 2×1422155442663² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422155442661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9790420 + ... + 9934617.

Almost surely, 2^{1422155442663} is an apocalyptic number.

1422155442663 is a deficient number, since it is larger than the sum of its proper divisors (632325615265).

1422155442663 is a wasteful number, since it uses less digits than its factorization.

1422155442663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19733054 (or 19733051 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 45.

The spelling of 1422155442663 in words is "one trillion, four hundred twenty-two billion, one hundred fifty-five million, four hundred forty-two thousand, six hundred sixty-three".