22202219 has 4 divisors (see below), whose sum is σ = 23910096. Its totient is φ = 20494344.

The previous prime is 22202209. The next prime is 22202249. The reversal of 22202219 is 91220222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91220222 = 2 ⋅45610111.

It is not a de Polignac number, because 22202219 - 2¹² = 22198123 is a prime.

It is a super-2 number, since 2×22202219² = 985877057047922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22202219.

It is not an unprimeable number, because it can be changed into a prime (22202209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 853919 + ... + 853944.

It is an arithmetic number, because the mean of its divisors is an integer number (5977524).

Almost surely, 2^22202219 is an apocalyptic number.

22202219 is a deficient number, since it is larger than the sum of its proper divisors (1707877).

22202219 is a wasteful number, since it uses less digits than its factorization.

22202219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707876.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 22202219 is about 4711.9230681326. The cubic root of 22202219 is about 281.0598395883.

The spelling of 22202219 in words is "twenty-two million, two hundred two thousand, two hundred nineteen".