22707730 has 8 divisors (see below), whose sum is σ = 40873932. Its totient is φ = 9083088.

The previous prime is 22707697. The next prime is 22707781. The reversal of 22707730 is 3770722.

It can be written as a sum of positive squares in 2 ways, for example, as 19456921 + 3250809 = 4411^2 + 1803^2 .

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

It is an unprimeable number.

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, 1135377 + ... + 1135396.

Almost surely, 2^22707730 is an apocalyptic number.

22707730 is a deficient number, since it is larger than the sum of its proper divisors (18166202).

22707730 is a wasteful number, since it uses less digits than its factorization.

22707730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270780.

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 22707730 is about 4765.2628468952. The cubic root of 22707730 is about 283.1769548448.

It can be divided in two parts, 2270 and 7730, that added together give a 4-th power (10000 = 10⁴).

The spelling of 22707730 in words is "twenty-two million, seven hundred seven thousand, seven hundred thirty".