22214138 has 8 divisors (see below), whose sum is σ = 35281332. Its totient is φ = 10453696.

The previous prime is 22214131. The next prime is 22214147. The reversal of 22214138 is 83141222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17749369 + 4464769 = 4213^2 + 2113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22214131) 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, 326645 + ... + 326712.

Almost surely, 2^22214138 is an apocalyptic number.

22214138 is a deficient number, since it is larger than the sum of its proper divisors (13067194).

22214138 is a wasteful number, since it uses less digits than its factorization.

22214138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653376.

The product of its digits is 768, while the sum is 23.

The square root of 22214138 is about 4713.1876686591. The cubic root of 22214138 is about 281.1101251468.

The spelling of 22214138 in words is "twenty-two million, two hundred fourteen thousand, one hundred thirty-eight".