22650737 has 8 divisors (see below), whose sum is σ = 23413320. Its totient is φ = 21898240.

The previous prime is 22650731. The next prime is 22650743. The reversal of 22650737 is 73705622.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22650731) and next prime (22650743).

It can be written as a sum of positive squares in 4 ways, for example, as 287296 + 22363441 = 536^2 + 4729^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22650737 - 2¹⁰ = 22649713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22650731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2189 + ... + 7077.

It is an arithmetic number, because the mean of its divisors is an integer number (2926665).

Almost surely, 2^22650737 is an apocalyptic number.

It is an amenable number.

22650737 is a deficient number, since it is larger than the sum of its proper divisors (762583).

22650737 is a wasteful number, since it uses less digits than its factorization.

22650737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5043.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 22650737 is about 4759.2790420399. The cubic root of 22650737 is about 282.9398457886.

The spelling of 22650737 in words is "twenty-two million, six hundred fifty thousand, seven hundred thirty-seven".