22752406 has 8 divisors (see below), whose sum is σ = 34707240. Its totient is φ = 11183328.

The previous prime is 22752383. The next prime is 22752427. The reversal of 22752406 is 60425722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 96291 + ... + 96526.

It is an arithmetic number, because the mean of its divisors is an integer number (4338405).

Almost surely, 2^22752406 is an apocalyptic number.

22752406 is a deficient number, since it is larger than the sum of its proper divisors (11954834).

22752406 is a wasteful number, since it uses less digits than its factorization.

22752406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192878.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 22752406 is about 4769.9482177483. The cubic root of 22752406 is about 283.3625440088.

The spelling of 22752406 in words is "twenty-two million, seven hundred fifty-two thousand, four hundred six".