22447266 has 8 divisors (see below), whose sum is σ = 44894544. Its totient is φ = 7482420.

The previous prime is 22447237. The next prime is 22447273. The reversal of 22447266 is 66274422.

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

22447266 is an admirable number.

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, 1870600 + ... + 1870611.

It is an arithmetic number, because the mean of its divisors is an integer number (5611818).

Almost surely, 2^22447266 is an apocalyptic number.

22447266 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.

22447266 is a wasteful number, since it uses less digits than its factorization.

22447266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741216.

The product of its digits is 32256, while the sum is 33.

The square root of 22447266 is about 4737.8545777599. The cubic root of 22447266 is about 282.0900823823.

The spelling of 22447266 in words is "twenty-two million, four hundred forty-seven thousand, two hundred sixty-six".