1422854657047 has 4 divisors (see below), whose sum is σ = 1497741744280. Its totient is φ = 1347967569816.

The previous prime is 1422854657033. The next prime is 1422854657069. The reversal of 1422854657047 is 7407564582241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1422854657047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422854657017) 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, 37443543588 + ... + 37443543625.

It is an arithmetic number, because the mean of its divisors is an integer number (374435436070).

Almost surely, 2^{1422854657047} is an apocalyptic number.

1422854657047 is a deficient number, since it is larger than the sum of its proper divisors (74887087233).

1422854657047 is an equidigital number, since it uses as much as digits as its factorization.

1422854657047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74887087232.

The product of its (nonzero) digits is 15052800, while the sum is 55.

The spelling of 1422854657047 in words is "one trillion, four hundred twenty-two billion, eight hundred fifty-four million, six hundred fifty-seven thousand, forty-seven".