1422405655661 has 16 divisors (see below), whose sum is σ = 1437441120000. Its totient is φ = 1407470546496.

The previous prime is 1422405655651. The next prime is 1422405655673. The reversal of 1422405655661 is 1665565042241.

It is a cyclic number.

It is not a de Polignac number, because 1422405655661 - 2²² = 1422401461357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422405655631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27832550 + ... + 27883608.

It is an arithmetic number, because the mean of its divisors is an integer number (89840070000).

Almost surely, 2^{1422405655661} is an apocalyptic number.

It is an amenable number.

1422405655661 is a deficient number, since it is larger than the sum of its proper divisors (15035464339).

1422405655661 is a wasteful number, since it uses less digits than its factorization.

1422405655661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52036.

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 1422405655661 in words is "one trillion, four hundred twenty-two billion, four hundred five million, six hundred fifty-five thousand, six hundred sixty-one".