22266422 has 4 divisors (see below), whose sum is σ = 33399636. Its totient is φ = 11133210.

The previous prime is 22266421. The next prime is 22266443. The reversal of 22266422 is 22466222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22466222 = 2 ⋅11233111.

It is a junction number, because it is equal to n+sod(n) for n = 22266391 and 22266400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22266421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5566604 + ... + 5566607.

It is an arithmetic number, because the mean of its divisors is an integer number (8349909).

Almost surely, 2^22266422 is an apocalyptic number.

22266422 is a deficient number, since it is larger than the sum of its proper divisors (11133214).

22266422 is a wasteful number, since it uses less digits than its factorization.

22266422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11133213.

The product of its digits is 4608, while the sum is 26.

The square root of 22266422 is about 4718.7309734716. The cubic root of 22266422 is about 281.3304960045.

The spelling of 22266422 in words is "twenty-two million, two hundred sixty-six thousand, four hundred twenty-two".