322023420 has 72 divisors (see below), whose sum is σ = 978266016. Its totient is φ = 85744512.

The previous prime is 322023407. The next prime is 322023421. The reversal of 322023420 is 24320223.

322023420 is a `hidden beast` number, since 3 + 220 + 23 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 322023393 and 322023402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322023421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 233854 + ... + 235226.

It is an arithmetic number, because the mean of its divisors is an integer number (13587028).

Almost surely, 2^322023420 is an apocalyptic number.

322023420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

322023420 is an abundant number, since it is smaller than the sum of its proper divisors (656242596).

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

322023420 is a wasteful number, since it uses less digits than its factorization.

322023420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691 (or 2686 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 322023420 is about 17945.0110058478. The cubic root of 322023420 is about 685.4290171287.

Adding to 322023420 its reverse (24320223), we get a palindrome (346343643).

The spelling of 322023420 in words is "three hundred twenty-two million, twenty-three thousand, four hundred twenty".