22323604 has 6 divisors (see below), whose sum is σ = 39066314. Its totient is φ = 11161800.

The previous prime is 22323571. The next prime is 22323611. The reversal of 22323604 is 40632322.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16418704 + 5904900 = 4052^2 + 2430^2 .

It is a super-3 number, since 3×22323604³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2790447 + ... + 2790454.

Almost surely, 2^22323604 is an apocalyptic number.

It is an amenable number.

22323604 is a deficient number, since it is larger than the sum of its proper divisors (16742710).

22323604 is a wasteful number, since it uses less digits than its factorization.

22323604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5580905 (or 5580903 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 22323604 is about 4724.7861327260. The cubic root of 22323604 is about 281.5711167486.

Adding to 22323604 its reverse (40632322), we get a palindrome (62955926).

The spelling of 22323604 in words is "twenty-two million, three hundred twenty-three thousand, six hundred four".