22228190 has 8 divisors (see below), whose sum is σ = 40010760. Its totient is φ = 8891272.

The previous prime is 22228169. The next prime is 22228207. The reversal of 22228190 is 9182222.

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

It is a super-2 number, since 2×22228190² = 988184861352200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111400 + ... + 1111419.

It is an arithmetic number, because the mean of its divisors is an integer number (5001345).

Almost surely, 2^22228190 is an apocalyptic number.

22228190 is a deficient number, since it is larger than the sum of its proper divisors (17782570).

22228190 is a wasteful number, since it uses less digits than its factorization.

22228190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222826.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 22228190 is about 4714.6781438397. The cubic root of 22228190 is about 281.1693866083.

The spelling of 22228190 in words is "twenty-two million, two hundred twenty-eight thousand, one hundred ninety".