22642324 has 6 divisors (see below), whose sum is σ = 39624074. Its totient is φ = 11321160.

The previous prime is 22642313. The next prime is 22642331. The reversal of 22642324 is 42324622.

It can be written as a sum of positive squares in only one way, i.e., 22467600 + 174724 = 4740^2 + 418^2 .

It is a super-2 number, since 2×22642324² = 1025349672241952, which contains 22 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, 2830287 + ... + 2830294.

Almost surely, 2^22642324 is an apocalyptic number.

It is an amenable number.

22642324 is a deficient number, since it is larger than the sum of its proper divisors (16981750).

22642324 is a wasteful number, since it uses less digits than its factorization.

22642324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5660585 (or 5660583 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 22642324 is about 4758.3951075967. The cubic root of 22642324 is about 282.9048113481.

Adding to 22642324 its reverse (42324622), we get a palindrome (64966946).

The spelling of 22642324 in words is "twenty-two million, six hundred forty-two thousand, three hundred twenty-four".