320440022224 has 80 divisors (see below), whose sum is σ = 756326592000. Its totient is φ = 128385533952.

The previous prime is 320440022107. The next prime is 320440022249. The reversal of 320440022224 is 422220044023.

It is a super-2 number, since 2×320440022224² (a number of 24 digits) 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 15 ways as a sum of consecutive naturals, for example, 281064 + ... + 848455.

It is an arithmetic number, because the mean of its divisors is an integer number (9454082400).

Almost surely, 2^320440022224 is an apocalyptic number.

320440022224 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

320440022224 is an abundant number, since it is smaller than the sum of its proper divisors (435886569776).

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

320440022224 is a wasteful number, since it uses less digits than its factorization.

320440022224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129700 (or 1129694 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 320440022224 its reverse (422220044023), we get a palindrome (742660066247).

The spelling of 320440022224 in words is "three hundred twenty billion, four hundred forty million, twenty-two thousand, two hundred twenty-four".