22214774 has 4 divisors (see below), whose sum is σ = 33322164. Its totient is φ = 11107386.

The previous prime is 22214771. The next prime is 22214779. The reversal of 22214774 is 47741222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47741222 = 2 ⋅23870611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22214771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5553692 + ... + 5553695.

It is an arithmetic number, because the mean of its divisors is an integer number (8330541).

Almost surely, 2^22214774 is an apocalyptic number.

22214774 is a deficient number, since it is larger than the sum of its proper divisors (11107390).

22214774 is a wasteful number, since it uses less digits than its factorization.

22214774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11107389.

The product of its digits is 6272, while the sum is 29.

The square root of 22214774 is about 4713.2551384367. The cubic root of 22214774 is about 281.1128078877.

Adding to 22214774 its reverse (47741222), we get a palindrome (69955996).

The spelling of 22214774 in words is "twenty-two million, two hundred fourteen thousand, seven hundred seventy-four".