22302452 has 6 divisors (see below), whose sum is σ = 39029298. Its totient is φ = 11151224.

The previous prime is 22302437. The next prime is 22302457. The reversal of 22302452 is 25420322.

It can be written as a sum of positive squares in only one way, i.e., 22221796 + 80656 = 4714^2 + 284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22302457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2787803 + ... + 2787810.

It is an arithmetic number, because the mean of its divisors is an integer number (6504883).

Almost surely, 2^22302452 is an apocalyptic number.

It is an amenable number.

22302452 is a deficient number, since it is larger than the sum of its proper divisors (16726846).

22302452 is a wasteful number, since it uses less digits than its factorization.

22302452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575617 (or 5575615 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 22302452 is about 4722.5471940469. The cubic root of 22302452 is about 281.4821574819.

Adding to 22302452 its reverse (25420322), we get a palindrome (47722774).

The spelling of 22302452 in words is "twenty-two million, three hundred two thousand, four hundred fifty-two".