22324020 has 24 divisors (see below), whose sum is σ = 62507424. Its totient is φ = 5953056.

The previous prime is 22323979. The next prime is 22324021. The reversal of 22324020 is 2042322.

It is a super-3 number, since 3×22324020³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22324021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185974 + ... + 186093.

It is an arithmetic number, because the mean of its divisors is an integer number (2604476).

Almost surely, 2^22324020 is an apocalyptic number.

22324020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22324020 is an abundant number, since it is smaller than the sum of its proper divisors (40183404).

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

22324020 is a wasteful number, since it uses less digits than its factorization.

22324020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372079 (or 372077 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 22324020 is about 4724.8301556776. The cubic root of 22324020 is about 281.5728657621.

Adding to 22324020 its reverse (2042322), we get a palindrome (24366342).

The spelling of 22324020 in words is "twenty-two million, three hundred twenty-four thousand, twenty".