22250516 has 12 divisors (see below), whose sum is σ = 38980032. Its totient is φ = 11113368.

The previous prime is 22250509. The next prime is 22250521. The reversal of 22250516 is 61505222.

It is a junction number, because it is equal to n+sod(n) for n = 22250491 and 22250500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2261 + ... + 7043.

It is an arithmetic number, because the mean of its divisors is an integer number (3248336).

Almost surely, 2^22250516 is an apocalyptic number.

It is an amenable number.

22250516 is a deficient number, since it is larger than the sum of its proper divisors (16729516).

22250516 is a wasteful number, since it uses less digits than its factorization.

22250516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5950 (or 5948 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 22250516 is about 4717.0452616018. The cubic root of 22250516 is about 281.2634906451.

Adding to 22250516 its reverse (61505222), we get a palindrome (83755738).

The spelling of 22250516 in words is "twenty-two million, two hundred fifty thousand, five hundred sixteen".