1422078347 has 4 divisors (see below), whose sum is σ = 1422175560. Its totient is φ = 1421981136.

The previous prime is 1422078331. The next prime is 1422078349. The reversal of 1422078347 is 7438702241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7438702241 = 59 ⋅126079699.

It is a cyclic number.

It is not a de Polignac number, because 1422078347 - 2⁴ = 1422078331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1422078347.

It is not an unprimeable number, because it can be changed into a prime (1422078349) 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, 21698 + ... + 57575.

It is an arithmetic number, because the mean of its divisors is an integer number (355543890).

Almost surely, 2^1422078347 is an apocalyptic number.

1422078347 is a deficient number, since it is larger than the sum of its proper divisors (97213).

1422078347 is an equidigital number, since it uses as much as digits as its factorization.

1422078347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97212.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 1422078347 is about 37710.4540810635. The cubic root of 1422078347 is about 1124.5389642083.

The spelling of 1422078347 in words is "one billion, four hundred twenty-two million, seventy-eight thousand, three hundred forty-seven".