22400099 has 4 divisors (see below), whose sum is σ = 22445136. Its totient is φ = 22355064.

The previous prime is 22400087. The next prime is 22400111. The reversal of 22400099 is 99000422.

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

It is an interprime number because it is at equal distance from previous prime (22400087) and next prime (22400111).

It is a cyclic number.

It is not a de Polignac number, because 22400099 - 2⁸ = 22399843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22400009) 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, 21764 + ... + 22769.

It is an arithmetic number, because the mean of its divisors is an integer number (5611284).

Almost surely, 2^22400099 is an apocalyptic number.

22400099 is a deficient number, since it is larger than the sum of its proper divisors (45037).

22400099 is an equidigital number, since it uses as much as digits as its factorization.

22400099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45036.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 22400099 is about 4732.8742852520. The cubic root of 22400099 is about 281.8923645692.

The spelling of 22400099 in words is "twenty-two million, four hundred thousand, ninety-nine".