22046887 has 4 divisors (see below), whose sum is σ = 22462920. Its totient is φ = 21630856.

The previous prime is 22046879. The next prime is 22046951. The reversal of 22046887 is 78864022.

22046887 is nontrivially palindromic in base 12.

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

It is a cyclic number.

It is not a de Polignac number, because 22046887 - 2³ = 22046879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22046837) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 207937 + ... + 208042.

It is an arithmetic number, because the mean of its divisors is an integer number (5615730).

Almost surely, 2^22046887 is an apocalyptic number.

22046887 is a deficient number, since it is larger than the sum of its proper divisors (416033).

22046887 is an equidigital number, since it uses as much as digits as its factorization.

22046887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416032.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 22046887 is about 4695.4112705917. The cubic root of 22046887 is about 280.4028512405.

The spelling of 22046887 in words is "twenty-two million, forty-six thousand, eight hundred eighty-seven".