Search a number
-
+
22664701 = 191192879
BaseRepresentation
bin101011001110…
…1010111111101
31120122111010101
41112131113331
521300232301
62125441101
7363434563
oct126352775
946574111
1022664701
1111880364
127710191
134907287
14301da33
151eca701
hex159d5fd

22664701 has 4 divisors (see below), whose sum is σ = 23857600. Its totient is φ = 21471804.

The previous prime is 22664699. The next prime is 22664711. The reversal of 22664701 is 10746622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22664701 - 21 = 22664699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22664701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22664711) 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 3 ways as a sum of consecutive naturals, for example, 596421 + ... + 596458.

It is an arithmetic number, because the mean of its divisors is an integer number (5964400).

Almost surely, 222664701 is an apocalyptic number.

It is an amenable number.

22664701 is a deficient number, since it is larger than the sum of its proper divisors (1192899).

22664701 is a wasteful number, since it uses less digits than its factorization.

22664701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192898.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 22664701 is about 4760.7458449281. The cubic root of 22664701 is about 282.9979772359.

The spelling of 22664701 in words is "twenty-two million, six hundred sixty-four thousand, seven hundred one".

Divisors: 1 19 1192879 22664701