22270522 has 8 divisors (see below), whose sum is σ = 34308756. Its totient is φ = 10834272.

The previous prime is 22270519. The next prime is 22270529. The reversal of 22270522 is 22507222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20875761 + 1394761 = 4569^2 + 1181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22270493 and 22270502.

It is not an unprimeable number, because it can be changed into a prime (22270529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150403 + ... + 150550.

Almost surely, 2^22270522 is an apocalyptic number.

22270522 is the 2523-rd centered heptagonal number.

22270522 is a deficient number, since it is larger than the sum of its proper divisors (12038234).

22270522 is a wasteful number, since it uses less digits than its factorization.

22270522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300992.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 22270522 is about 4719.1653923125. The cubic root of 22270522 is about 281.3477624254.

Adding to 22270522 its reverse (22507222), we get a palindrome (44777744).

The spelling of 22270522 in words is "twenty-two million, two hundred seventy thousand, five hundred twenty-two".