1422001578 has 8 divisors (see below), whose sum is σ = 2844003168. Its totient is φ = 474000524.

The previous prime is 1422001577. The next prime is 1422001613. The reversal of 1422001578 is 8751002241.

It is a sphenic number, since it is the product of 3 distinct primes.

1422001578 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1422001571) 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, 118500126 + ... + 118500137.

It is an arithmetic number, because the mean of its divisors is an integer number (355500396).

Almost surely, 2^1422001578 is an apocalyptic number.

1422001578 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1422001578 is a wasteful number, since it uses less digits than its factorization.

1422001578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237000268.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 1422001578 is about 37709.4361930804. The cubic root of 1422001578 is about 1124.5187282662.

The spelling of 1422001578 in words is "one billion, four hundred twenty-two million, one thousand, five hundred seventy-eight".