440222046 has 64 divisors (see below), whose sum is σ = 989404416. Its totient is φ = 129427200.

The previous prime is 440222033. The next prime is 440222063. The reversal of 440222046 is 640222044.

It is a super-2 number, since 2×440222046² = 387590899568852232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513250 + ... + 514106.

It is an arithmetic number, because the mean of its divisors is an integer number (15459444).

Almost surely, 2^440222046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440222046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494702208).

440222046 is an abundant number, since it is smaller than the sum of its proper divisors (549182370).

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

440222046 is a wasteful number, since it uses less digits than its factorization.

440222046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 440222046 is about 20981.4691096691. The cubic root of 440222046 is about 760.7184146333.

The spelling of 440222046 in words is "four hundred forty million, two hundred twenty-two thousand, forty-six".