1440022442 has 8 divisors (see below), whose sum is σ = 2210267136. Its totient is φ = 703266732.

The previous prime is 1440022429. The next prime is 1440022453. The reversal of 1440022442 is 2442200441.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8372138 + ... + 8372309.

It is an arithmetic number, because the mean of its divisors is an integer number (276283392).

Almost surely, 2^1440022442 is an apocalyptic number.

1440022442 is a deficient number, since it is larger than the sum of its proper divisors (770244694).

1440022442 is a wasteful number, since it uses less digits than its factorization.

1440022442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16744492.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 1440022442 is about 37947.6276201820. The cubic root of 1440022442 is about 1129.2491009408.

Adding to 1440022442 its reverse (2442200441), we get a palindrome (3882222883).

The spelling of 1440022442 in words is "one billion, four hundred forty million, twenty-two thousand, four hundred forty-two".