440122442 has 8 divisors (see below), whose sum is σ = 671006532. Its totient is φ = 216453600.

The previous prime is 440122427. The next prime is 440122451. The reversal of 440122442 is 244221044.

It can be written as a sum of positive squares in 2 ways, for example, as 410103001 + 30019441 = 20251^2 + 5479^2 .

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, 1803659 + ... + 1803902.

Almost surely, 2^440122442 is an apocalyptic number.

440122442 is a deficient number, since it is larger than the sum of its proper divisors (230884090).

440122442 is a wasteful number, since it uses less digits than its factorization.

440122442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607624.

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

The square root of 440122442 is about 20979.0953570453. The cubic root of 440122442 is about 760.6610372916.

Adding to 440122442 its reverse (244221044), we get a palindrome (684343486).

The spelling of 440122442 in words is "four hundred forty million, one hundred twenty-two thousand, four hundred forty-two".