22100487 has 8 divisors (see below), whose sum is σ = 29840640. Its totient is φ = 14547000.

The previous prime is 22100479. The next prime is 22100497. The reversal of 22100487 is 78400122.

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

It is not a de Polignac number, because 22100487 - 2³ = 22100479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100437) 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 7 ways as a sum of consecutive naturals, for example, 46389 + ... + 46862.

It is an arithmetic number, because the mean of its divisors is an integer number (3730080).

Almost surely, 2^22100487 is an apocalyptic number.

22100487 is a deficient number, since it is larger than the sum of its proper divisors (7740153).

22100487 is an equidigital number, since it uses as much as digits as its factorization.

22100487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93333.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 22100487 is about 4701.1155059198. The cubic root of 22100487 is about 280.6299041476.

The spelling of 22100487 in words is "twenty-two million, one hundred thousand, four hundred eighty-seven".