22117274 has 4 divisors (see below), whose sum is σ = 33175914. Its totient is φ = 11058636.

The previous prime is 22117253. The next prime is 22117279. The reversal of 22117274 is 47271122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47271122 = 2 ⋅23635561.

It can be written as a sum of positive squares in only one way, i.e., 22024249 + 93025 = 4693^2 + 305^2 .

It is not an unprimeable number, because it can be changed into a prime (22117279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5529317 + ... + 5529320.

Almost surely, 2^22117274 is an apocalyptic number.

22117274 is a deficient number, since it is larger than the sum of its proper divisors (11058640).

22117274 is a wasteful number, since it uses less digits than its factorization.

22117274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11058639.

The product of its digits is 1568, while the sum is 26.

The square root of 22117274 is about 4702.9005943141. The cubic root of 22117274 is about 280.7009394138.

Adding to 22117274 its reverse (47271122), we get a palindrome (69388396).

The spelling of 22117274 in words is "twenty-two million, one hundred seventeen thousand, two hundred seventy-four".