22284422 has 4 divisors (see below), whose sum is σ = 33426636. Its totient is φ = 11142210.

The previous prime is 22284419. The next prime is 22284461. The reversal of 22284422 is 22448222.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 22284391 and 22284400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571104 + ... + 5571107.

It is an arithmetic number, because the mean of its divisors is an integer number (8356659).

Almost surely, 2^22284422 is an apocalyptic number.

22284422 is a deficient number, since it is larger than the sum of its proper divisors (11142214).

22284422 is a wasteful number, since it uses less digits than its factorization.

22284422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11142213.

The product of its digits is 4096, while the sum is 26.

The square root of 22284422 is about 4720.6378806259. The cubic root of 22284422 is about 281.4062840377.

The spelling of 22284422 in words is "twenty-two million, two hundred eighty-four thousand, four hundred twenty-two".