22146015 has 8 divisors (see below), whose sum is σ = 35433648. Its totient is φ = 11811200.

The previous prime is 22145993. The next prime is 22146023. The reversal of 22146015 is 51064122.

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

It is not a de Polignac number, because 22146015 - 2⁵ = 22145983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22145982 and 22146000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738186 + ... + 738215.

It is an arithmetic number, because the mean of its divisors is an integer number (4429206).

Almost surely, 2^22146015 is an apocalyptic number.

22146015 is a deficient number, since it is larger than the sum of its proper divisors (13287633).

22146015 is a wasteful number, since it uses less digits than its factorization.

22146015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476409.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 22146015 is about 4705.9552696557. The cubic root of 22146015 is about 280.8224753928.

The spelling of 22146015 in words is "twenty-two million, one hundred forty-six thousand, fifteen".