13922226 has 32 divisors (see below), whose sum is σ = 31075200. Its totient is φ = 4620240.

The previous prime is 13922221. The next prime is 13922257. The reversal of 13922226 is 62222931.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 13922226.

It is not an unprimeable number, because it can be changed into a prime (13922221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16380 + ... + 17208.

It is an arithmetic number, because the mean of its divisors is an integer number (971100).

Almost surely, 2^13922226 is an apocalyptic number.

13922226 is the 1866-th decagonal number.

13922226 is an abundant number, since it is smaller than the sum of its proper divisors (17152974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13922226 is a wasteful number, since it uses less digits than its factorization.

13922226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151 (or 1145 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 13922226 is about 3731.2499246231. The cubic root of 13922226 is about 240.5670964513.

The spelling of 13922226 in words is "thirteen million, nine hundred twenty-two thousand, two hundred twenty-six".