22321052 has 24 divisors (see below), whose sum is σ = 42966336. Its totient is φ = 10081728.

The previous prime is 22321043. The next prime is 22321069. The reversal of 22321052 is 25012322.

It is a super-3 number, since 3×22321052³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22321052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2123 + ... + 7010.

It is an arithmetic number, because the mean of its divisors is an integer number (1790264).

Almost surely, 2^22321052 is an apocalyptic number.

It is an amenable number.

22321052 is a deficient number, since it is larger than the sum of its proper divisors (20645284).

22321052 is a wasteful number, since it uses less digits than its factorization.

22321052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9197 (or 9195 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 22321052 is about 4724.5160598732. The cubic root of 22321052 is about 281.5603867476.

Adding to 22321052 its reverse (25012322), we get a palindrome (47333374).

The spelling of 22321052 in words is "twenty-two million, three hundred twenty-one thousand, fifty-two".