22002999 has 4 divisors (see below), whose sum is σ = 29337336. Its totient is φ = 14668664.

The previous prime is 22002991. The next prime is 22003013. The reversal of 22002999 is 99920022.

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 22002999 - 2³ = 22002991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3667164 + ... + 3667169.

It is an arithmetic number, because the mean of its divisors is an integer number (7334334).

Almost surely, 2^22002999 is an apocalyptic number.

22002999 is a deficient number, since it is larger than the sum of its proper divisors (7334337).

22002999 is an equidigital number, since it uses as much as digits as its factorization.

22002999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7334336.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 22002999 is about 4690.7354434033. The cubic root of 22002999 is about 280.2166647839.

It can be divided in two parts, 2 and 2002999, that added together give a triangular number (2003001 = T₂₀₀₁).

The spelling of 22002999 in words is "twenty-two million, two thousand, nine hundred ninety-nine".