440000022 has 32 divisors (see below), whose sum is σ = 1097144064. Its totient is φ = 114285600.

The previous prime is 440000017. The next prime is 440000047. The reversal of 440000022 is 220000044.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 439999962 and 440000007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475729 + ... + 476652.

It is an arithmetic number, because the mean of its divisors is an integer number (34285752).

Almost surely, 2^440000022 is an apocalyptic number.

440000022 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

440000022 is an abundant number, since it is smaller than the sum of its proper divisors (657144042).

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

440000022 is a wasteful number, since it uses less digits than its factorization.

440000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952404.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 440000022 is about 20976.1774878074. The cubic root of 440000022 is about 760.5905048288.

Adding to 440000022 its reverse (220000044), we get a palindrome (660000066).

The spelling of 440000022 in words is "four hundred forty million, twenty-two", and thus it is an aban number.