22052516 has 6 divisors (see below), whose sum is σ = 38591910. Its totient is φ = 11026256.

The previous prime is 22052491. The next prime is 22052533. The reversal of 22052516 is 61525022.

It can be written as a sum of positive squares in only one way, i.e., 22052416 + 100 = 4696^2 + 10^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22052491 and 22052500.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2756561 + ... + 2756568.

It is an arithmetic number, because the mean of its divisors is an integer number (6431985).

Almost surely, 2^22052516 is an apocalyptic number.

It is an amenable number.

22052516 is a deficient number, since it is larger than the sum of its proper divisors (16539394).

22052516 is a wasteful number, since it uses less digits than its factorization.

22052516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5513133 (or 5513131 counting only the distinct ones).

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

The square root of 22052516 is about 4696.0106473474. The cubic root of 22052516 is about 280.4267133143.

Adding to 22052516 its reverse (61525022), we get a palindrome (83577538).

The spelling of 22052516 in words is "twenty-two million, fifty-two thousand, five hundred sixteen".