22352452 has 6 divisors (see below), whose sum is σ = 39116798. Its totient is φ = 11176224.

The previous prime is 22352443. The next prime is 22352453. The reversal of 22352452 is 25425322.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21399876 + 952576 = 4626^2 + 976^2 .

It is a super-2 number, since 2×22352452² = 999264220824608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22352453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2794053 + ... + 2794060.

Almost surely, 2^22352452 is an apocalyptic number.

It is an amenable number.

22352452 is a deficient number, since it is larger than the sum of its proper divisors (16764346).

22352452 is a wasteful number, since it uses less digits than its factorization.

22352452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5588117 (or 5588115 counting only the distinct ones).

The product of its digits is 4800, while the sum is 25.

The square root of 22352452 is about 4727.8379836877. The cubic root of 22352452 is about 281.6923526560.

Adding to 22352452 its reverse (25425322), we get a palindrome (47777774).

The spelling of 22352452 in words is "twenty-two million, three hundred fifty-two thousand, four hundred fifty-two".