22225246 has 4 divisors (see below), whose sum is σ = 33337872. Its totient is φ = 11112622.

The previous prime is 22225211. The next prime is 22225277. The reversal of 22225246 is 64252222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64252222 = 2 ⋅32126111.

It is a self number, because there is not a number n which added to its sum of digits gives 22225246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556310 + ... + 5556313.

It is an arithmetic number, because the mean of its divisors is an integer number (8334468).

Almost surely, 2^22225246 is an apocalyptic number.

22225246 is a deficient number, since it is larger than the sum of its proper divisors (11112626).

22225246 is a wasteful number, since it uses less digits than its factorization.

22225246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112625.

The product of its digits is 3840, while the sum is 25.

The square root of 22225246 is about 4714.3659170667. The cubic root of 22225246 is about 281.1569729537.

Adding to 22225246 its reverse (64252222), we get a palindrome (86477468).

The spelling of 22225246 in words is "twenty-two million, two hundred twenty-five thousand, two hundred forty-six".