22182322 has 8 divisors (see below), whose sum is σ = 33370416. Its totient is φ = 11058852.

The previous prime is 22182313. The next prime is 22182337. The reversal of 22182322 is 22328122.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 22182293 and 22182302.

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, 15288 + ... + 16675.

It is an arithmetic number, because the mean of its divisors is an integer number (4171302).

Almost surely, 2^22182322 is an apocalyptic number.

22182322 is the 2518-th centered heptagonal number.

22182322 is a deficient number, since it is larger than the sum of its proper divisors (11188094).

22182322 is a wasteful number, since it uses less digits than its factorization.

22182322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32312.

The product of its digits is 768, while the sum is 22.

The square root of 22182322 is about 4709.8112488719. The cubic root of 22182322 is about 280.9758552052.

The spelling of 22182322 in words is "twenty-two million, one hundred eighty-two thousand, three hundred twenty-two".