22447002 has 8 divisors (see below), whose sum is σ = 44894016. Its totient is φ = 7482332.

The previous prime is 22446997. The next prime is 22447013. The reversal of 22447002 is 20074422.

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

22447002 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 22447002.

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, 1870578 + ... + 1870589.

It is an arithmetic number, because the mean of its divisors is an integer number (5611752).

Almost surely, 2^22447002 is an apocalyptic number.

22447002 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.

22447002 is a wasteful number, since it uses less digits than its factorization.

22447002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741172.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 22447002 is about 4737.8267169663. The cubic root of 22447002 is about 282.0889765005.

The spelling of 22447002 in words is "twenty-two million, four hundred forty-seven thousand, two".