22226258 has 4 divisors (see below), whose sum is σ = 33339390. Its totient is φ = 11113128.

The previous prime is 22226249. The next prime is 22226261. The reversal of 22226258 is 85262222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13446889 + 8779369 = 3667^2 + 2963^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22226258.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556563 + ... + 5556566.

Almost surely, 2^22226258 is an apocalyptic number.

22226258 is a deficient number, since it is larger than the sum of its proper divisors (11113132).

22226258 is a wasteful number, since it uses less digits than its factorization.

22226258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11113131.

The product of its digits is 7680, while the sum is 29.

The square root of 22226258 is about 4714.4732473522. The cubic root of 22226258 is about 281.1612402711.

The spelling of 22226258 in words is "twenty-two million, two hundred twenty-six thousand, two hundred fifty-eight".