22323528 has 24 divisors (see below), whose sum is σ = 60459750. Its totient is φ = 7441152.

The previous prime is 22323523. The next prime is 22323541. The reversal of 22323528 is 82532322.

It can be written as a sum of positive squares in only one way, i.e., 22297284 + 26244 = 4722^2 + 162^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×22323528³ (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 (22323523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154953 + ... + 155096.

Almost surely, 2^22323528 is an apocalyptic number.

It is an amenable number.

22323528 is an abundant number, since it is smaller than the sum of its proper divisors (38136222).

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

22323528 is a wasteful number, since it uses less digits than its factorization.

22323528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310061 (or 310054 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 22323528 is about 4724.7780900271. The cubic root of 22323528 is about 281.5707972149.

It can be divided in two parts, 2232 and 3528, that multiplied together give a triangular number (7874496 = T₃₉₆₈).

The spelling of 22323528 in words is "twenty-two million, three hundred twenty-three thousand, five hundred twenty-eight".