22406214 has 16 divisors (see below), whose sum is σ = 44900928. Its totient is φ = 7453992.

The previous prime is 22406203. The next prime is 22406231. The reversal of 22406214 is 41260422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132 + ... + 6695.

It is an arithmetic number, because the mean of its divisors is an integer number (2806308).

Almost surely, 2^22406214 is an apocalyptic number.

22406214 is an abundant number, since it is smaller than the sum of its proper divisors (22494714).

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

22406214 is a wasteful number, since it uses less digits than its factorization.

22406214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7379.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 22406214 is about 4733.5202545252. The cubic root of 22406214 is about 281.9180134882.

Adding to 22406214 its reverse (41260422), we get a palindrome (63666636).

The spelling of 22406214 in words is "twenty-two million, four hundred six thousand, two hundred fourteen".