22366730 has 32 divisors (see below), whose sum is σ = 43681680. Its totient is φ = 8212480.

The previous prime is 22366711. The next prime is 22366739. The reversal of 22366730 is 3766322.

It can be written as a sum of positive squares in 8 ways, for example, as 7382089 + 14984641 = 2717^2 + 3871^2 .

It is a super-2 number, since 2×22366730² = 1000541221785800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22366693 and 22366702.

It is not an unprimeable number, because it can be changed into a prime (22366739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5366 + ... + 8574.

Almost surely, 2^22366730 is an apocalyptic number.

22366730 is a deficient number, since it is larger than the sum of its proper divisors (21314950).

22366730 is a wasteful number, since it uses less digits than its factorization.

22366730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3274.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 22366730 is about 4729.3477351533. The cubic root of 22366730 is about 281.7523184462.

The spelling of 22366730 in words is "twenty-two million, three hundred sixty-six thousand, seven hundred thirty".