Search a number
-
+
22605074 = 2971091069
BaseRepresentation
bin101011000111…
…0110100010010
31120112110022222
41112032310102
521241330244
62124301042
7363066002
oct126166422
946473288
1022605074
111183a588
1276a1782
1348b60ab
143006002
151eb7bee
hex158ed12

22605074 has 16 divisors (see below), whose sum is σ = 34603800. Its totient is φ = 11073024.

The previous prime is 22605071. The next prime is 22605091. The reversal of 22605074 is 47050622.

It can be written as a sum of positive squares in 4 ways, for example, as 20187049 + 2418025 = 4493^2 + 1555^2 .

It is a super-4 number, since 4×226050744 (a number of 31 digits) contains 4444 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22605071) 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, 20612 + ... + 21680.

Almost surely, 222605074 is an apocalyptic number.

22605074 is a deficient number, since it is larger than the sum of its proper divisors (11998726).

22605074 is a wasteful number, since it uses less digits than its factorization.

22605074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 22605074 is about 4754.4793616126. The cubic root of 22605074 is about 282.7495859910.

Adding to 22605074 its reverse (47050622), we get a palindrome (69655696).

The spelling of 22605074 in words is "twenty-two million, six hundred five thousand, seventy-four".

Divisors: 1 2 97 109 194 218 1069 2138 10573 21146 103693 116521 207386 233042 11302537 22605074