2022321440 has 48 divisors (see below), whose sum is σ = 4807107648. Its totient is φ = 803955456.

The previous prime is 2022321439. The next prime is 2022321443. The reversal of 2022321440 is 441232202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2022321443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12692 + ... + 64851.

It is an arithmetic number, because the mean of its divisors is an integer number (100148076).

Almost surely, 2^2022321440 is an apocalyptic number.

2022321440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022321440 is an abundant number, since it is smaller than the sum of its proper divisors (2784786208).

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

2022321440 is a wasteful number, since it uses less digits than its factorization.

2022321440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77721 (or 77713 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2022321440 is about 44970.2283738920. The cubic root of 2022321440 is about 1264.5909283621.

Adding to 2022321440 its reverse (441232202), we get a palindrome (2463553642).

The spelling of 2022321440 in words is "two billion, twenty-two million, three hundred twenty-one thousand, four hundred forty".