22406298 has 8 divisors (see below), whose sum is σ = 44812608. Its totient is φ = 7468764.

The previous prime is 22406297. The next prime is 22406303. The reversal of 22406298 is 89260422.

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

22406298 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22406291) 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 in 3 ways as a sum of consecutive naturals, for example, 1867186 + ... + 1867197.

It is an arithmetic number, because the mean of its divisors is an integer number (5601576).

Almost surely, 2^22406298 is an apocalyptic number.

22406298 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22406298 is a wasteful number, since it uses less digits than its factorization.

22406298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734388.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 22406298 is about 4733.5291274059. The cubic root of 22406298 is about 281.9183657876.

The spelling of 22406298 in words is "twenty-two million, four hundred six thousand, two hundred ninety-eight".