22099493 has 8 divisors (see below), whose sum is σ = 23839200. Its totient is φ = 20365488.

The previous prime is 22099487. The next prime is 22099499. The reversal of 22099493 is 39499022.

It is an interprime number because it is at equal distance from previous prime (22099487) and next prime (22099499).

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

It is not a de Polignac number, because 22099493 - 2¹⁸ = 21837349 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 (22099499) 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, 10178 + ... + 12156.

It is an arithmetic number, because the mean of its divisors is an integer number (2979900).

Almost surely, 2^22099493 is an apocalyptic number.

It is an amenable number.

22099493 is a deficient number, since it is larger than the sum of its proper divisors (1739707).

22099493 is a wasteful number, since it uses less digits than its factorization.

22099493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 22099493 is about 4701.0097851419. The cubic root of 22099493 is about 280.6256968450.

The spelling of 22099493 in words is "twenty-two million, ninety-nine thousand, four hundred ninety-three".