1452022320 has 80 divisors (see below), whose sum is σ = 5144313600. Its totient is φ = 331890432.

The previous prime is 1452022307. The next prime is 1452022321. The reversal of 1452022320 is 232202541.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1452022321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430470 + ... + 433829.

It is an arithmetic number, because the mean of its divisors is an integer number (64303920).

Almost surely, 2^1452022320 is an apocalyptic number.

1452022320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1452022320 is an abundant number, since it is smaller than the sum of its proper divisors (3692291280).

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

1452022320 is a wasteful number, since it uses less digits than its factorization.

1452022320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864322 (or 864316 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1452022320 is about 38105.4106394354. The cubic root of 1452022320 is about 1132.3771504438.

Adding to 1452022320 its reverse (232202541), we get a palindrome (1684224861).

The spelling of 1452022320 in words is "one billion, four hundred fifty-two million, twenty-two thousand, three hundred twenty".