22542214 has 4 divisors (see below), whose sum is σ = 33813324. Its totient is φ = 11271106.

The previous prime is 22542209. The next prime is 22542229. The reversal of 22542214 is 41224522.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5635552 + ... + 5635555.

It is an arithmetic number, because the mean of its divisors is an integer number (8453331).

Almost surely, 2^22542214 is an apocalyptic number.

22542214 is a deficient number, since it is larger than the sum of its proper divisors (11271110).

22542214 is a wasteful number, since it uses less digits than its factorization.

22542214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11271109.

The product of its digits is 1280, while the sum is 22.

The square root of 22542214 is about 4747.8641513843. The cubic root of 22542214 is about 282.4872534516.

Adding to 22542214 its reverse (41224522), we get a palindrome (63766736).

The spelling of 22542214 in words is "twenty-two million, five hundred forty-two thousand, two hundred fourteen".