22274185 has 8 divisors (see below), whose sum is σ = 27451656. Its totient is φ = 17337600.

The previous prime is 22274183. The next prime is 22274201. The reversal of 22274185 is 58147222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1261129 + 21013056 = 1123^2 + 4584^2 .

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

It is not a de Polignac number, because 22274185 - 2¹ = 22274183 is a prime.

It is a super-2 number, since 2×22274185² = 992278634828450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22274183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60016 + ... + 60385.

It is an arithmetic number, because the mean of its divisors is an integer number (3431457).

Almost surely, 2^22274185 is an apocalyptic number.

It is an amenable number.

22274185 is a deficient number, since it is larger than the sum of its proper divisors (5177471).

22274185 is a wasteful number, since it uses less digits than its factorization.

22274185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120443.

The product of its digits is 8960, while the sum is 31.

The square root of 22274185 is about 4719.5534746414. The cubic root of 22274185 is about 281.3631867062.

The spelling of 22274185 in words is "twenty-two million, two hundred seventy-four thousand, one hundred eighty-five".