22244452 has 12 divisors (see below), whose sum is σ = 39126780. Its totient is φ = 11065376.

The previous prime is 22244441. The next prime is 22244477. The reversal of 22244452 is 25444222.

It can be written as a sum of positive squares in 2 ways, for example, as 11128896 + 11115556 = 3336^2 + 3334^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13327 + ... + 14902.

It is an arithmetic number, because the mean of its divisors is an integer number (3260565).

Almost surely, 2^22244452 is an apocalyptic number.

It is an amenable number.

22244452 is a deficient number, since it is larger than the sum of its proper divisors (16882328).

22244452 is a wasteful number, since it uses less digits than its factorization.

22244452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28430 (or 28428 counting only the distinct ones).

The product of its digits is 5120, while the sum is 25.

The square root of 22244452 is about 4716.4024425403. The cubic root of 22244452 is about 281.2379371287.

Adding to 22244452 its reverse (25444222), we get a palindrome (47688674).

The spelling of 22244452 in words is "twenty-two million, two hundred forty-four thousand, four hundred fifty-two".