22046545 has 8 divisors (see below), whose sum is σ = 26502696. Its totient is φ = 17606016.

The previous prime is 22046537. The next prime is 22046567. The reversal of 22046545 is 54564022.

It can be written as a sum of positive squares in 4 ways, for example, as 2047761 + 19998784 = 1431^2 + 4472^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22046545 - 2³ = 22046537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532 + ... + 6661.

It is an arithmetic number, because the mean of its divisors is an integer number (3312837).

Almost surely, 2^22046545 is an apocalyptic number.

It is an amenable number.

22046545 is a deficient number, since it is larger than the sum of its proper divisors (4456151).

22046545 is an equidigital number, since it uses as much as digits as its factorization.

22046545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7811.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 22046545 is about 4695.3748519154. The cubic root of 22046545 is about 280.4014013265.

The spelling of 22046545 in words is "twenty-two million, forty-six thousand, five hundred forty-five".