Search a number
-
+
22214756 = 228962401
BaseRepresentation
bin101010010111…
…1100001100100
31112210121220202
41110233201210
521141333011
62112050032
7356552024
oct124574144
945717822
1022214756
11115a3303
127533918
1347aa535
142d43a84
151e3c23b
hex152f864

22214756 has 12 divisors (see below), whose sum is σ = 39313260. Its totient is φ = 10982400.

The previous prime is 22214749. The next prime is 22214771. The reversal of 22214756 is 65741222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14318656 + 7896100 = 3784^2 + 2810^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30845 + ... + 31556.

It is an arithmetic number, because the mean of its divisors is an integer number (3276105).

Almost surely, 222214756 is an apocalyptic number.

It is an amenable number.

22214756 is a deficient number, since it is larger than the sum of its proper divisors (17098504).

22214756 is a wasteful number, since it uses less digits than its factorization.

22214756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62494 (or 62492 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 22214756 is about 4713.2532289280. The cubic root of 22214756 is about 281.1127319618.

Adding to 22214756 its reverse (65741222), we get a palindrome (87955978).

The spelling of 22214756 in words is "twenty-two million, two hundred fourteen thousand, seven hundred fifty-six".

Divisors: 1 2 4 89 178 356 62401 124802 249604 5553689 11107378 22214756