22321452 has 24 divisors (see below), whose sum is σ = 52862656. Its totient is φ = 7329168.

The previous prime is 22321451. The next prime is 22321487. The reversal of 22321452 is 25412322.

It is a super-3 number, since 3×22321452³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22321451) 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, 13078 + ... + 14685.

Almost surely, 2^22321452 is an apocalyptic number.

It is an amenable number.

22321452 is an abundant number, since it is smaller than the sum of its proper divisors (30541204).

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

22321452 is a wasteful number, since it uses less digits than its factorization.

22321452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27837 (or 27835 counting only the distinct ones).

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

The square root of 22321452 is about 4724.5583920616. The cubic root of 22321452 is about 281.5620686200.

Adding to 22321452 its reverse (25412322), we get a palindrome (47733774).

The spelling of 22321452 in words is "twenty-two million, three hundred twenty-one thousand, four hundred fifty-two".