22046691 has 4 divisors (see below), whose sum is σ = 29395592. Its totient is φ = 14697792.

The previous prime is 22046683. The next prime is 22046701. The reversal of 22046691 is 19664022.

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

It is not a de Polignac number, because 22046691 - 2³ = 22046683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22046621) by changing a digit.

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, 3674446 + ... + 3674451.

It is an arithmetic number, because the mean of its divisors is an integer number (7348898).

Almost surely, 2^22046691 is an apocalyptic number.

22046691 is a deficient number, since it is larger than the sum of its proper divisors (7348901).

22046691 is an equidigital number, since it uses as much as digits as its factorization.

22046691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7348900.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 22046691 is about 4695.3903991042. The cubic root of 22046691 is about 280.4020202974.

The spelling of 22046691 in words is "twenty-two million, forty-six thousand, six hundred ninety-one".