22234022 has 4 divisors (see below), whose sum is σ = 33351036. Its totient is φ = 11117010.

The previous prime is 22234019. The next prime is 22234027. The reversal of 22234022 is 22043222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22043222 = 2 ⋅11021611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22234027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5558504 + ... + 5558507.

It is an arithmetic number, because the mean of its divisors is an integer number (8337759).

Almost surely, 2^22234022 is an apocalyptic number.

22234022 is a deficient number, since it is larger than the sum of its proper divisors (11117014).

22234022 is a wasteful number, since it uses less digits than its factorization.

22234022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11117013.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22234022 is about 4715.2965972460. The cubic root of 22234022 is about 281.1939745523.

Adding to 22234022 its reverse (22043222), we get a palindrome (44277244).

The spelling of 22234022 in words is "twenty-two million, two hundred thirty-four thousand, twenty-two".