22357226 has 4 divisors (see below), whose sum is σ = 33535842. Its totient is φ = 11178612.

The previous prime is 22357217. The next prime is 22357241. The reversal of 22357226 is 62275322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62275322 = 2 ⋅31137661.

It can be written as a sum of positive squares in only one way, i.e., 18361225 + 3996001 = 4285^2 + 1999^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5589305 + ... + 5589308.

Almost surely, 2^22357226 is an apocalyptic number.

22357226 is a deficient number, since it is larger than the sum of its proper divisors (11178616).

22357226 is a wasteful number, since it uses less digits than its factorization.

22357226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11178615.

The product of its digits is 10080, while the sum is 29.

The square root of 22357226 is about 4728.3428386698. The cubic root of 22357226 is about 281.7124056918.

The spelling of 22357226 in words is "twenty-two million, three hundred fifty-seven thousand, two hundred twenty-six".