22740435 has 24 divisors (see below), whose sum is σ = 41492880. Its totient is φ = 11489472.

The previous prime is 22740427. The next prime is 22740439. The reversal of 22740435 is 53404722.

22740435 is a `hidden beast` number, since 227 + 4 + 0 + 435 = 666.

It is not a de Polignac number, because 22740435 - 2³ = 22740427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22740399 and 22740408.

It is not an unprimeable number, because it can be changed into a prime (22740439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12444 + ... + 14153.

It is an arithmetic number, because the mean of its divisors is an integer number (1728870).

Almost surely, 2^22740435 is an apocalyptic number.

22740435 is a deficient number, since it is larger than the sum of its proper divisors (18752445).

22740435 is a wasteful number, since it uses less digits than its factorization.

22740435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26627 (or 26624 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 22740435 is about 4768.6932172242. The cubic root of 22740435 is about 283.3128389636.

The spelling of 22740435 in words is "twenty-two million, seven hundred forty thousand, four hundred thirty-five".