1422442018 has 8 divisors (see below), whose sum is σ = 2134679148. Its totient is φ = 710882304.

The previous prime is 1422442013. The next prime is 1422442019. The reversal of 1422442018 is 8102442241.

It can be written as a sum of positive squares in 2 ways, for example, as 1389574729 + 32867289 = 37277^2 + 5733^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1422442013) 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, 164071 + ... + 172522.

Almost surely, 2^1422442018 is an apocalyptic number.

1422442018 is a deficient number, since it is larger than the sum of its proper divisors (712237130).

1422442018 is a wasteful number, since it uses less digits than its factorization.

1422442018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338708.

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 1422442018 is about 37715.2756585445. The cubic root of 1422442018 is about 1124.6348162532.

Adding to 1422442018 its reverse (8102442241), we get a palindrome (9524884259).

The spelling of 1422442018 in words is "one billion, four hundred twenty-two million, four hundred forty-two thousand, eighteen".