22246258 has 4 divisors (see below), whose sum is σ = 33369390. Its totient is φ = 11123128.

The previous prime is 22246253. The next prime is 22246291. The reversal of 22246258 is 85264222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85264222 = 2 ⋅42632111.

It can be written as a sum of positive squares in only one way, i.e., 15186609 + 7059649 = 3897^2 + 2657^2 .

It is not an unprimeable number, because it can be changed into a prime (22246253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561563 + ... + 5561566.

Almost surely, 2^22246258 is an apocalyptic number.

22246258 is a deficient number, since it is larger than the sum of its proper divisors (11123132).

22246258 is a wasteful number, since it uses less digits than its factorization.

22246258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11123131.

The product of its digits is 15360, while the sum is 31.

The square root of 22246258 is about 4716.5938981430. The cubic root of 22246258 is about 281.2455480448.

The spelling of 22246258 in words is "twenty-two million, two hundred forty-six thousand, two hundred fifty-eight".