22494088 has 8 divisors (see below), whose sum is σ = 42176430. Its totient is φ = 11247040.

The previous prime is 22494071. The next prime is 22494089. The reversal of 22494088 is 88049422.

It can be written as a sum of positive squares in only one way, i.e., 19027044 + 3467044 = 4362^2 + 1862^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22494089) 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, 1405873 + ... + 1405888.

Almost surely, 2^22494088 is an apocalyptic number.

It is an amenable number.

22494088 is a deficient number, since it is larger than the sum of its proper divisors (19682342).

22494088 is a wasteful number, since it uses less digits than its factorization.

22494088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811767 (or 2811763 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 22494088 is about 4742.7932697937. The cubic root of 22494088 is about 282.2860802539.

The spelling of 22494088 in words is "twenty-two million, four hundred ninety-four thousand, eighty-eight".