22321064 has 32 divisors (see below), whose sum is σ = 43614120. Its totient is φ = 10699776.

The previous prime is 22321043. The next prime is 22321069. The reversal of 22321064 is 46012322.

It can be written as a sum of positive squares in 4 ways, for example, as 21696964 + 624100 = 4658^2 + 790^2 .

It is a super-3 number, since 3×22321064³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22321069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21092 + ... + 22124.

Almost surely, 2^22321064 is an apocalyptic number.

It is an amenable number.

22321064 is a deficient number, since it is larger than the sum of its proper divisors (21293056).

22321064 is a wasteful number, since it uses less digits than its factorization.

22321064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149 (or 1145 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 22321064 is about 4724.5173298444. The cubic root of 22321064 is about 281.5604372041.

Adding to 22321064 its reverse (46012322), we get a palindrome (68333386).

The spelling of 22321064 in words is "twenty-two million, three hundred twenty-one thousand, sixty-four".