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224972244 = 22327892747
BaseRepresentation
bin11010110100011…
…00110111010100
3120200022202220100
431122030313110
5430043102434
634153534100
75401142520
oct1532146724
9520282810
10224972244
11105a99a82
1263414330
13377bb993
1421c42d80
1514b3d699
hexd68cdd4

224972244 has 36 divisors (see below), whose sum is σ = 649920544. Its totient is φ = 64277712.

The previous prime is 224972243. The next prime is 224972249. The reversal of 224972244 is 442279422.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2249722442 = 101225021140791072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 224972199 and 224972208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224972243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 446122 + ... + 446625.

Almost surely, 2224972244 is an apocalyptic number.

It is an amenable number.

224972244 is an abundant number, since it is smaller than the sum of its proper divisors (424948300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224972244 is a wasteful number, since it uses less digits than its factorization.

224972244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892764 (or 892759 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 224972244 is about 14999.0747714651. The cubic root of 224972244 is about 608.1951885143.

The spelling of 224972244 in words is "two hundred twenty-four million, nine hundred seventy-two thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 892747 1785494 2678241 3570988 5356482 6249229 8034723 10712964 12498458 16069446 18747687 24996916 32138892 37495374 56243061 74990748 112486122 224972244