22002199 has 8 divisors (see below), whose sum is σ = 23865408. Its totient is φ = 20202240.

The previous prime is 22002187. The next prime is 22002203. The reversal of 22002199 is 99120022.

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

It is a cyclic number.

It is not a de Polignac number, because 22002199 - 2¹¹ = 22000151 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 (22002899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15087 + ... + 16480.

It is an arithmetic number, because the mean of its divisors is an integer number (2983176).

Almost surely, 2^22002199 is an apocalyptic number.

22002199 is a deficient number, since it is larger than the sum of its proper divisors (1863209).

22002199 is a wasteful number, since it uses less digits than its factorization.

22002199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31625.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 22002199 is about 4690.6501681537. The cubic root of 22002199 is about 280.2132686401.

It can be divided in two parts, 22002 and 199, that added together give a square (22201 = 149²).

The spelling of 22002199 in words is "twenty-two million, two thousand, one hundred ninety-nine".