Search a number
-
+
214751222 = 2722191339
BaseRepresentation
bin11001100110011…
…01011111110110
3112222002111021222
430303031133312
5414434014342
633150510342
75215232600
oct1463153766
9488074258
10214751222
11100248854
125bb053b2
133565063a
1420742170
1513cbeed2
hexcccd7f6

214751222 has 12 divisors (see below), whose sum is σ = 374719140. Its totient is φ = 92036196.

The previous prime is 214751221. The next prime is 214751233. The reversal of 214751222 is 222157412.

It is a super-2 number, since 2×2147512222 = 92236174700986568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214751191 and 214751200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214751221) 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, 1095572 + ... + 1095767.

It is an arithmetic number, because the mean of its divisors is an integer number (31226595).

Almost surely, 2214751222 is an apocalyptic number.

214751222 is a deficient number, since it is larger than the sum of its proper divisors (159967918).

214751222 is a wasteful number, since it uses less digits than its factorization.

214751222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191355 (or 2191348 counting only the distinct ones).

The product of its digits is 2240, while the sum is 26.

The square root of 214751222 is about 14654.3925837955. The cubic root of 214751222 is about 598.8414885993.

The spelling of 214751222 in words is "two hundred fourteen million, seven hundred fifty-one thousand, two hundred twenty-two".

Divisors: 1 2 7 14 49 98 2191339 4382678 15339373 30678746 107375611 214751222