22048645 has 8 divisors (see below), whose sum is σ = 27851040. Its totient is φ = 16710480.

The previous prime is 22048639. The next prime is 22048661. The reversal of 22048645 is 54684022.

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

It is not a de Polignac number, because 22048645 - 2⁷ = 22048517 is a prime.

It is a super-2 number, since 2×22048645² = 972285492672050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115951 + ... + 116140.

It is an arithmetic number, because the mean of its divisors is an integer number (3481380).

Almost surely, 2^22048645 is an apocalyptic number.

It is an amenable number.

22048645 is a deficient number, since it is larger than the sum of its proper divisors (5802395).

22048645 is a wasteful number, since it uses less digits than its factorization.

22048645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232115.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 22048645 is about 4695.5984709087. The cubic root of 22048645 is about 280.4103040706.

The spelling of 22048645 in words is "twenty-two million, forty-eight thousand, six hundred forty-five".