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422472237 = 31147421647
BaseRepresentation
bin11001001011100…
…110101000101101
31002102221210221220
4121023212220231
51331123102422
6105531013553
713316645325
oct3113465055
91072853856
10422472237
111a7524710
12b959a2b9
13696ac095
1440174285
1527151e5c
hex192e6a2d

422472237 has 32 divisors (see below), whose sum is σ = 630042624. Its totient is φ = 249614400.

The previous prime is 422472229. The next prime is 422472251. The reversal of 422472237 is 732274224.

It is not a de Polignac number, because 422472237 - 23 = 422472229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 422472198 and 422472207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422472227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 652648 + ... + 653294.

It is an arithmetic number, because the mean of its divisors is an integer number (19688832).

Almost surely, 2422472237 is an apocalyptic number.

422472237 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

422472237 is a deficient number, since it is larger than the sum of its proper divisors (207570387).

422472237 is a wasteful number, since it uses less digits than its factorization.

422472237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129.

The product of its digits is 37632, while the sum is 33.

The square root of 422472237 is about 20554.1294391176. The cubic root of 422472237 is about 750.3537513426.

The spelling of 422472237 in words is "four hundred twenty-two million, four hundred seventy-two thousand, two hundred thirty-seven".

Divisors: 1 3 11 33 47 141 421 517 647 1263 1551 1941 4631 7117 13893 19787 21351 30409 59361 91227 217657 272387 334499 652971 817161 1003497 2996257 8988771 12802189 38406567 140824079 422472237