22229371 has 4 divisors (see below), whose sum is σ = 22606200. Its totient is φ = 21852544.

The previous prime is 22229369. The next prime is 22229377. The reversal of 22229371 is 17392222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22229371 - 2¹ = 22229369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22229377) 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, 188326 + ... + 188443.

It is an arithmetic number, because the mean of its divisors is an integer number (5651550).

Almost surely, 2^22229371 is an apocalyptic number.

22229371 is a deficient number, since it is larger than the sum of its proper divisors (376829).

22229371 is an equidigital number, since it uses as much as digits as its factorization.

22229371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376828.

The product of its digits is 3024, while the sum is 28.

The square root of 22229371 is about 4714.8033893260. The cubic root of 22229371 is about 281.1743660985.

The spelling of 22229371 in words is "twenty-two million, two hundred twenty-nine thousand, three hundred seventy-one".