22298536 has 24 divisors (see below), whose sum is σ = 45276030. Its totient is φ = 10291008.

The previous prime is 22298527. The next prime is 22298537. The reversal of 22298536 is 63589222.

It can be written as a sum of positive squares in 3 ways, for example, as 4708900 + 17589636 = 2170^2 + 4194^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22298495 and 22298504.

It is not an unprimeable number, because it can be changed into a prime (22298537) 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 5 ways as a sum of consecutive naturals, for example, 6895 + ... + 9598.

Almost surely, 2^22298536 is an apocalyptic number.

22298536 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22298536 is an abundant number, since it is smaller than the sum of its proper divisors (22977494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22298536 is a wasteful number, since it uses less digits than its factorization.

22298536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16525 (or 16508 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 22298536 is about 4722.1325690836. The cubic root of 22298536 is about 281.4656817352.

The spelling of 22298536 in words is "twenty-two million, two hundred ninety-eight thousand, five hundred thirty-six".