22305532 has 6 divisors (see below), whose sum is σ = 39034688. Its totient is φ = 11152764.

The previous prime is 22305529. The next prime is 22305539. The reversal of 22305532 is 23550322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22305539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2788188 + ... + 2788195.

Almost surely, 2^22305532 is an apocalyptic number.

It is an amenable number.

22305532 is a deficient number, since it is larger than the sum of its proper divisors (16729156).

22305532 is a wasteful number, since it uses less digits than its factorization.

22305532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5576387 (or 5576385 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 22305532 is about 4722.8732779951. The cubic root of 22305532 is about 281.4951145794.

Adding to 22305532 its reverse (23550322), we get a palindrome (45855854).

The spelling of 22305532 in words is "twenty-two million, three hundred five thousand, five hundred thirty-two".