22002219 has 32 divisors (see below), whose sum is σ = 34119680. Its totient is φ = 13996800.

The previous prime is 22002217. The next prime is 22002257. The reversal of 22002219 is 91220022.

It is not a de Polignac number, because 22002219 - 2¹ = 22002217 is a prime.

It is a super-2 number, since 2×22002219² = 968195281847922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22002217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81054 + ... + 81324.

It is an arithmetic number, because the mean of its divisors is an integer number (1066240).

Almost surely, 2^22002219 is an apocalyptic number.

22002219 is a deficient number, since it is larger than the sum of its proper divisors (12117461).

22002219 is a wasteful number, since it uses less digits than its factorization.

22002219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 22002219 is about 4690.6523000538. The cubic root of 22002219 is about 280.2133535447.

The spelling of 22002219 in words is "twenty-two million, two thousand, two hundred nineteen".