Search a number
-
+
8222797 = 11267957
BaseRepresentation
bin11111010111100001001101
3120110202120001
4133113201031
54101112142
6452124301
7126615112
oct37274115
916422501
108222797
114706a00
122906691
13191b97b
141140909
15ac65b7
hex7d784d

8222797 has 6 divisors (see below), whose sum is σ = 9038414. Its totient is φ = 7475160.

The previous prime is 8222783. The next prime is 8222807. The reversal of 8222797 is 7972228.

It can be written as a sum of positive squares in only one way, i.e., 4888521 + 3334276 = 2211^2 + 1826^2 .

It is not a de Polignac number, because 8222797 - 215 = 8190029 is a prime.

It is a super-2 number, since 2×82227972 = 135228781006418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8222717) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33858 + ... + 34099.

Almost surely, 28222797 is an apocalyptic number.

It is an amenable number.

8222797 is a deficient number, since it is larger than the sum of its proper divisors (815617).

8222797 is a wasteful number, since it uses less digits than its factorization.

8222797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67979 (or 67968 counting only the distinct ones).

The product of its digits is 28224, while the sum is 37.

The square root of 8222797 is about 2867.5419787686. The cubic root of 8222797 is about 201.8396678925.

The spelling of 8222797 in words is "eight million, two hundred twenty-two thousand, seven hundred ninety-seven".

Divisors: 1 11 121 67957 747527 8222797